Mary I

Mary I was Queen of England and Ireland until her death in 1558. She was the eldest daughter of Henry VIII and the elder half-sister of her successor Elizabeth I.

Due to the Tenth Doctor's marriage to her half-sister, Elizabeth I, Mary I was his sister-in-law. (TV: The Day of the Doctor, The End of Time)

Biography
During the nine-day reign of Lady Jane Grey, Mary claimed the throne and proclaimed Jane to be a traitor who would be sentenced to death. (TV: Lost in Time)

Mary once met the Sixth Doctor and Evelyn Smythe when they travelled back to 1555 to fix a time anomaly. On that occasion, the time travellers foiled a plot to assassinate her and place her sister, then imprisoned in the Tower of London, on the throne. At the time, Mary laboured under the misapprehension that she was pregnant by her husband, Philip II of Spain. In reality, she was experiencing a phantom pregnancy. She ultimately died childless four years after her encounter with the Doctor. (AUDIO: The Marian Conspiracy)

Mary died in November of 1558. (AUDIO: The Marian Conspiracy)

Undated events
She once asked either the First or Second Doctor to be her court physician. (PROSE: Country of the Blind)

She was involved in 's plan to befriend several Tudor women in an effort to prevent the reign of James I, who created the charter for St Luke's University, thereby preventing her imprisonment in the Vault. (PROSE: Girl Power!)