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
Stewart of Darnley of the House of Stewart of Darnley were styled Earls of Lennox by the English Crown, although the King of Scots, in whose Kingdom the Earldom of Lennox lay, did not recognize their title. In 1544 Matthew Stewart, 4th Earl of Lennox married Margaret Douglas, the granddaughter of Henry VII. Their sons Henry Stuart, Lord Darnley and Charles Stuart, 1st Earl of Lennox, were held by contemporaries to have a credible claim to the throne of England. Margaret Douglas was the fruit of the 1514 union of Margaret Tudor, Dowager Queen of Scots and elder daughter of Henry VII with