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 of marriage were called in the parish of Canongate. A proclamation was made at the Cross of Edinburgh on 28 July that government would be in the joint names of the king and queen of Scots, thus giving Darnley equality with, and precedence over, Mary. This was confirmed in the circulation of a silver ryal in the names of Henry and Mary. On 29 July 1565, the marriage took place by Roman Catholic rites in Mary's private chapel at Holyrood, but Darnley (whose religious beliefs were unfixed – he was raised as a Catholic, but was later influenced by Protestantism)