Lady Jane Grey
Grey, Lady Jane (1537–54), queen of England for 9 day sin 1553. The Duke of Northumberland, her father-in-law and powerful advisor to the dying Edward VI, persuaded the king to name Jane heir to the throne. She reluctantly accepted the crown, but Mary Tudor, Edward's half sister, had the country's support, and was proclaimed queen by the lord mayor of London. Lady Jane and her husband were beheaded for treason.