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
Edward Bligh, 5th Earl of Darnley 1818, a seat he held until 1830 for the Whig Party. In 1831 he succeeded his father in the earldom and took his seat in the House of Lords. He also served as Lord Lieutenant of County Meath between 1831 and 1835, and was elected a Fellow of the Royal Society in 1833. Lord Darnley married the Hon. Emma Jane, daughter of Henry Parnell, 1st Baron Congleton, in 1825. They had three sons and two daughters: Darnley died of lockjaw after an axe injury when felling timber on his estate at Cobham Hall, Kent, in February 1835, aged 39, and