Henry VIII’s sister Mary Tudor wreaked absolute havoc in the English court, but her brother let it slide—until she went too far.

The House of Tudor had more than its fair share of scandalous figures, from Henry VIII’s many marriages to the intrigue and plots of the court of Elizabeth I. But few remember the twisted tale of Mary Tudor—the English princess who briefly became Queen of France. From her secret marriage to her bitter rivalry with Anne Boleyn, Mary packed a lot into her short life.