Stewart of Darnley Stewart of Darnley Stewart of Darnley was a notable Scots family, a branch of the Clan Stewart, who provided the English Stuart monarchs with their male-line Stuart descent, after the reunion of their branch with the royal Scottish branch, which led to the ultimate union of the two main kingdoms of Great Britain: England and Scotland. In 1565 the House of Stewart of Darnley was re-united with the Royal House of Stewart when Henry Stuart, Lord Darnley married his first cousin, Mary, Queen of Scots, both being grandchildren of Margaret Tudor, daughter of King Henry VII of England, and hence
Henry Stuart, Lord Darnley a galliard with Mary at night. From then on, he was constantly in Mary's company. Darnley was his wife's half-first cousin through two different marriages of their grandmother, Margaret Tudor, putting both Mary and Darnley high in the line of succession for the English throne. Darnley was also a descendant of a daughter of James II of Scotland, and so also in line for the throne of Scotland. As a preliminary to the marriage, Darnley was made Lord of Ardmanoch and Earl of Ross at Stirling Castle on 15 May 1565. An entourage of 15 men were made knights, including