Stewart of Darnley Archibald Douglas, 6th Earl of Angus. Born in England and raised at the court of her uncle Henry VIII, Margaret was Henry's officially recognized heir between the disgrace of Anne Boleyn and the birth of the future Edward VI. In 1565 Henry Stuart, Lord Darnley married his cousin Mary Queen of Scots, like him a descendant of Margaret Tudor and Henry VII. Mary's descent from Margaret Tudor's first marriage to James IV of Scots also placed her in line for the English throne, but many argued that Margaret Douglas's claim was superior as Margaret and her sons Henry Stuart, Lord
Henry Stuart, Lord Darnley the Tower of London in February 1562 revealed that he had obtained intelligence about the English Court from the Spanish ambassador, and the ambassador had entrusted him and Hugh Allen with messages and tokens for the Lennoxes and Darnley. Yaxley admitted that his missions were intended to arrange the marriage of the Queen of Scots with Darnley, that Darnley's religion guaranteed him greater success in his suit than the Earl of Arran, and that the countess had many friends "in the nurth". Although the Lennox threat never died out, Elizabeth did not convict the family of treason in 1562 after