Independent Facts About Mary FitzRoy, Henry VIII’s Scandalous Daughter-In-Law

Independent Facts About Mary FitzRoy, Henry VIII’s Scandalous Daughter-In-Law


June 10, 2026 | David O'Shea

Independent Facts About Mary FitzRoy, Henry VIII’s Scandalous Daughter-In-Law


15. Her Father’s Position Changed

In 1525, the King ordained a new Duke through the elevation of his illegitimate son, Henry FitzRoy, naming him the Duke of Richmond and Somerset. Mary’s father’s position of importance had taken a slight dip, but the politically astute Duke of Norfolk seized another opportunity when it presented itself.

File:Lucas Horenbout - Henry Fitzroy, Duke of Richmond and Somerset (1519-36) - Google Art Project.jpgLucas Horenbout, Wikimedia Commons

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16. Her Father Saw His Chance

The King had placed his elevated son into the care of Cardinal Thomas Wolsey. Henry VIII was a fickle man, however, and when Wolsey failed to secure an annulment for the King’s marriage, the Cardinal fell from grace and got imprisoned. Mary’s father saw his opportunity: he volunteered to take Henry FitzRoy under his guidance, to which the King agreed. And with that, Mary became the perfect bargaining chip.

Thomas HowardUnknown Author, Wikimedia Commons

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17. She Became A Marriage Target

The King was pleased with the progress his son made under Norfolk, and soon, he sought to join his family with the duke’s. The idea got pitched—conceived either by the King himself or by Anne Boleyn, who was close to the Howard family—that the newly elevated FitzRoy should marry young Mary Howard. They hastily made arrangements.

Henry VIII's first interview with Anne Boleyn
signed and dated l.l.: D. MACLISE 1835
oil on canvas
132 by 156 cm

Exhibited at London, British Institution, 1836, no. 61Daniel Maclise, Wikimedia Commons

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18. She Got Married

The parents quickly completed the marriage negotiations, and in November 1533, Mary Howard wedded the King’s illegitimate son, Henry FitzRoy. It was a triumphant moment for both the Howard and Boleyn families, their political ambitions materializing before their very eyes. The two newlyweds, of course, had little say in the matter.

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19. She Married Young

At the time of their wedding, Mary FitzRoy and her new husband were very young, an unfortunately common practice in arranged aristocratic marriages of the era. Henry FitzRoy was 14 years old on his wedding day, and Mary was as young as 13. Their status as young teenagers would play a significant role in the dramatics that followed. But for now, the young Mary found her position significantly elevated.

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20. She Got Her Title

With her marriage to Henry FitzRoy, the newlywed bride was now Mary FitzRoy, Duchess of Richmond and Somerset. It elated the Howard family to have both a Duke and Duchess in the family now, their daughter proving to be a lucrative political bargaining chip. The Howards were not the only ones satisfied with the match.

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21. She Had Cheerleaders

As previously mentioned, Mary’s marriage to Henry FitzRoy elated the Boleyn family. The new Duchess was a former member of Queen Anne’s household, meaning the ambitious Boleyns knew her well and could bend the young girl to their will. Mary also seemed open to religious reform, something the Boleyn family strongly advocated for. But the young girl was not just a pawn—the marriage set up her position well too.

The beheading of Anne Boleyn, from BILDER SAALS, 1695.AnonymousUnknown author, Wikimedia Commons

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22. Her Husband Got Groomed For Power

At the time of Mary’s wedding, King Henry VIII had no legitimate sons, meaning there was no male heir to the throne. Now elevated by his father, Henry FitzRoy was seen as the most likely candidate for succeeding the King on the throne. Mary likely already had dreams of getting crowned Queen of England. But fate rudely interrupted those dreams.

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23. She Became A Young Widow

Three years into their marriage, Mary’s husband contracted tuberculosis. He would not survive the bout. On July 23, 1536, Henry FitzRoy tragically perished from consumption, a little over a month after his 17th birthday. Mary’s shot at the throne shattered before her eyes, and things would only get worse for the young widow.

Screenshot from The Tudors (2007–2010)Screenshot from The Tudors, Peace Arch Entertainment / TM Productions / Showtime (2007–2010)

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24. She Was A Virgin

Upon Mary’s marriage to Henry, the King, fearing that bedroom activity too early was unhealthy, forbade the newlyweds from consummating their marriage. After losing her husband, this agreement came back to bite the young Duchess: King Henry VIII quickly insisted that, because they did not consummate it, the marriage was not a true one. This had material consequences for the grieving young widow.

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25. She Lost Her Assets

In normal circumstances, marriage entitled aristocratic widows to lands in the event of their spouse’s untimely demise. Because of the King’s assertion that her marriage was not legitimate, however, Mary got stripped of many of the lands she would otherwise have inherited. Luckily, she didn't face complete exile.

Bird's eye view of 15th-century York.E. Ridsdale Tate (1862–1922), Wikimedia Commons

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26. She Hung Around

While the King remained tight with his purse strings, he also kept Mary FitzRoy in his good graces, and the royal family permitted her to stay at court. She settled into a quiet widowhood amongst her fellow courtiers and continued building her social circle.

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27. She Made Some Friends

Mary FitzRoy was a jovial and well-liked presence at court, and she had a few of her own favorites among her fellow aristocrats. She grew particularly close to her late husband’s cousin, Margaret Douglas. Together, the two women undertook an impressive project.

Unknown woman, formerly known as Margaret Douglas, Countess of Lennox, by unknown artist, given to the National Portrait Gallery, London in 1874. See source website for additional information.

This set of images was gathered by User:Dcoetzee from the Natanonymous , Wikimedia Commons

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28. She Got Creative

Pushing politics to the side, Mary and Margaret decided to pursue an ambitious creative project. Together, the two women curated and contributed to the Devonshire Manuscript, an impressive collection of Tudor-era poetry, featuring works by the women themselves along with several pieces by various court poets. Mary was not always original, however.

Used with permission. Courtesy of Adam Matthew Digital (http://www.amdigital.co.uk/) and the Devonshire Manuscript Editorial Group (http://en.wikibooks.org/wiki/The_Devonshire_Manuscript/My_hope_is_yow_for_to_obtaine,)DMSEG, Wikimedia Commons

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29. She Copied Work

Mary FitzRoy very likely held and owned the Manuscript, but historians debate her level of contribution. In fact, one poem attributed to her is thought to actually be a copy of “O Happy Dames”, one of her brother’s poems. Mary seemed perfectly content to live out her days creatively, but soon political scandal reared its head.

Used with permission. Courtesy of Adam Matthew Digital (http://www.amdigital.co.uk/) and the Devonshire Manuscript Editorial Group (http://en.wikibooks.org/wiki/The_Devonshire_Manuscript/o_happy_dames_that_may_enbrayes)DMSEG, Wikimedia Commons

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30. She Got Locked Up

By 1542, King Henry VIII had married his fifth wife, Mary’s first cousin Catherine Howard. After hearing allegations of Catherine’s infidelity, however, the King imprisoned his wife, and her entire extended family alongside her. Mary FitzRoy ended up in the Tower of London with the rest of the Howards. Her father immediately sought a way out for his daughter.

Portrait of a Young Woman c. 1540–1545 from the Workshop of Hans Holbein the Younger.Workshop of Hans Holbein the Younger, Wikimedia Commons

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31. She Got Matched Again

The Howards found themselves in a tricky bind, and Mary’s father could think of only one way out for his daughter: marrying her off again. The Earl petitioned the King for Mary to marry his third wife Jane Seymour’s brother, Thomas Seymour. The family waited with bated breath for the royal decree.

Caption from the museum's website



This half-length portrait shows the sitter turning slightly to the left. Dressed in black, he has a red-brown beard and wears a black plumed hat with the Little George of the Order of the Garter pinned to it. He has beNicolas Denizot, Wikimedia Commons

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32. She Got The Go-Ahead

Surprisingly, King Henry VIII gave the approval for Mary FitzRoy to marry his ex-brother-in-law. The Howards breathed a sigh of relief as they saw a potential way back from their fall from grace through their treasured daughter. But not all Howards were on board—especially not the one that mattered.

King Henry VIII having a quality timeUnknown authorUnknown author, Wikimedia Commons

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33. She Had No Interest

Despite her predicament and the way out they offered her, Mary FitzRoy had no interest in marrying Thomas Seymour. She strongly objected, and as a result, the marriage never took place. Mary wasn’t alone in her protest; her brother Henry, the Earl of Surrey, also objected to the match. It turns out he had an idea of his own…

Henry Howard Earl of Surrey at age 29, 1546Attributed to William Scrots, Wikimedia Commons

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34. She Got A Suggestion

Mary’s brother was scheming independently of his father to get the Howard family into the King’s good graces, and like his father, the Earl of Surrey was not hesitant to use his sister as a pawn in his plot. Surrey suggested Mary seduce the now-aged King Henry VIII with the hopes of becoming his mistress to wield influence over the old man. Mary was not enthusiastic about the idea.

Portrait of Henry Howard, Earl of Surrey (c.1516/7–1547), one of the founders of English Renaissance poetry.Hans Holbein the Younger, Wikimedia Commons

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35. She Stood Up

Mary's brother's suggestion outraged the young Duchess, and she wasn’t shy about making her feelings known. In response to Surrey’s plan, Mary declared she would rather "cut her own throat" than "consent to such villainy". Her dramatic refusal only created further rifts among the Howards.

Howard, when he was still Earl of Surrey. Sketch by Hans Holbein the Younger. c. 1520s.LuisCanelo.MJ, Wikimedia Commons

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36. She Created Family Drama

Mary’s brother was as ambitious as any other Howard, and he was furious that his sister refused to go along with his plan. Mary, to her credit, stood her ground and held firm in her own beliefs. The two stubborn siblings had a falling out and ceased all communication with one another. This would have devastating consequences for her brother.

Portrait of Henry Howard, Earl of Surrey. Black and coloured chalks, reinforced with pen and Indian ink, on pink-primed paper, 29 × 21 cm, Royal Collection, Windsor Castle. The inscription, added later, is false.
This drawing has been much restored. Art hHans Holbein the Younger, Wikimedia Commons

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37. She Doubled Down

Soon after, Mary’s father and brother ended up on trial for treason, and Mary’s next move shocked everyone. She testified at the trial—against her family members. Whether acting out of self-interest or from her genuinely held beliefs, Mary’s dramatic testimony sealed the fates of two of the most powerful Howards and represented a complete severance of familial ties for the cunning Duchess.

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38. She Signed Her Brother’s Warrant

Shockingly, royal authorities found Mary’s father and brother guilty of treason, with both sentenced to execution. Her brother, the Earl of Surrey, faced the music on January 19, 1547, when his life came to a grisly, state-sanctioned end. Mary’s father was next on the chopping block, but he was saved by the knell.

File:Portrait of Henry Howard, Earl of Northampton - English School.jpgCircle of Marcus Gheeraerts the Younger / Formerly attributed to Federico Zuccari, Wikimedia Commons

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39. Her Father Got Spared

Authorities scheduled Mary’s father to have his sentence carried out on January 28, nine days after his son. However, a stroke of cosmic luck spared his life. In the early hours of the morning of his scheduled execution, King Henry VIII passed, throwing the kingdom into disarray. Thomas Howard’s sentence got sort of forgotten about amidst the commotion. Mary would never see her father free again, however.

Henry VIII of EnglandJoos van Cleve / Formerly attributed to Hans Holbein the Younger / Formerly attributed to François Clouet, Wikimedia Commons

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40. Her Father Remained Locked Up

King Edward VI ascended to the throne after his father’s demise, and he never bothered to see through the execution of the man who got charged with treason against his predecessor. Mary’s father remained imprisoned in the Tower of London for the remainder of the new king’s reign, however. With her controlling family members now out of the way, Mary was free to further exercise her characteristic independence.

File:British (English) School - King Edward VI (1537–1553) (after an original of c.1547) - 222677 - National Trust.jpganonymous , Wikimedia Commons

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41. She Was Open-Minded

As previously mentioned, Mary FitzRoy grew up in the traditional faith of Catholicism—her father, in fact, was the premier Roman Catholic nobleman in England. Despite her pious upbringing, however, Mary was much more sympathetic to reformist ideas than the other Howards, a contrarian position that perhaps explains her willingness to turn on her family in their darkest hour. Indeed, it was this independent streak that had always made her father nervous.

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42. She Was Too Smart For Some

Mary’s willingness to go against the grain of family orthodoxy gave pause to those closest to her—for good reasons, in the end, as far as her brother and father were concerned! This independent streak once caused her father to remark that the young Duchess was “too wise for a woman”. Perhaps this proved a good thing, given her new responsibilities.

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43. She Raised Some Kids

Though she never had any children of her own, Mary took charge of her brother’s five children after their father’s execution. Given the direction of the religious currents at court, the Duchess set her wards up wisely, hiring Protestant martyrologist John Foxe to tutor the kids and ensure they remained in the royal family’s good graces. Mary, meanwhile, busied herself with hobbies for the remainder of her days.

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44. She Worked With Her Hands

Historical records suggest what Mary FitzRoy got up to in her remaining days as a widowed courtier. A list of her possessions from the time period mentions that she owned a Flemish coffer which contained patterns for embroidery, suggesting her creative pursuits stretched beyond poetry. One thing for certain, though, is that Mary seemed to enjoy being a widow.

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45. She Remained Widowed

Interestingly, Mary never remarried after losing her husband. This is particularly strange considering her stature, the young age at which she got widowed, and the fact that she never (officially) consummated her marriage to begin with. Perhaps it speaks further to the Duchess’ autonomous nature. Or perhaps she just wanted to keep her head down after her family’s dramatics.

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46. She Went Under The Radar

Mary FitzRoy largely faded into the background after the demise of King Henry VIII, becoming essentially a faceless courtier, exercising no meaningful power or influence again. She was probably more than happy to do so, and of course, her family ties always shored up her position.

Portrait of Henry VIII in a Great Coat Holding a Staff. Oil on panel, 88.9 mm x 66.7 cm, National Portrait Gallery, London.
None of the versions of thisanonymous , Wikimedia Commons

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47. She Had A Royal Relative

January of 1556 saw the beginning of the reign of Queen Mary I, a period of upheaval and sea change in the English monarchy. The Queen attempted to reverse many of the reforms implemented by her father, and though Mary FitzRoy had advocated reform in the past, she was not worried about facing the Queen’s wrath—because she was her sister-in-law. Indeed, Mary didn’t stick around long enough to see William FitzRoy’s sister’s heyday.

Retrato de la reina María I de Inglaterra (1516-1558), más conocida como María Tudor, que fue hija del rey Enrique VIII de Inglaterra y de la reina Catalina de Aragón y reina consorte de España por su matrimonio con Felipe II, hijo del emperador Carlos I Antonis Mor, Wikimedia Commons

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48. She Passed Young

Mary FitzRoy, Duchess of Richmond and Somerset, perished on December 7, 1557. Tragically, she was only around 37 or 38 years old. There are varying accounts that detail the cause (and exact date) of her passing, but one likely story posits she didn’t go too peacefully.

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49. She Was Sick

Historian Heather Darsie contends that Mary FitzRoy perished after a difficult bout with influenza, an often-fatal virus in those days of archaic medical practice. Regardless of the cause, the Duchess left behind a legacy of quiet independence and wisely deployed political smarts. It made her a fascinating subject for storytellers.

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50. She Got Fictionalized

Mary FitzRoy has been portrayed in many notable works of historical fiction. The most well-known of these are The Secrets of the Tudor Court by Darcy Bonnette, where Mary is the main protagonist, and The Sixth Wife, where Mary serves as the foil for Catherine Parr. She has also been portrayed in film and television, speaking to the huge impact she made despite her humble story.

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Sources: 1, 2, 3, 4, 5, 6, 7