Henry Stuart, Lord Darnley not together in early 1545 and a letter of March 1566, from Mary Queen of Scots, indicates Darnley was then nineteen years old. Therefore the date 1546 would seem probable. A descendant of both James II of Scotland and Henry VII of England, Henry Stuart, Lord Darnley, was heir to two royal houses, the House of Stuart and the House of Tudor, thus he had claim to both the Scottish and English thrones, a claim that may have cost him his life. In 1545, his father, Matthew Stewart, 4th Earl of Lennox was found guilty of treason in Scotland for
Lord Darnley Lord Darnley Lord Darnley is a noble title associated with a Scottish Lordship of Parliament, first created in 1356 for the family of Stewart of Darnley and tracing a descent to the Dukedom of Richmond in England. The title's name refers to Darnley in Scotland. Outside the Peerage of Scotland, another Earldom of Darnley was created in the Peerage of Ireland in 1729. The first baron was Sir John Stewart of Darnley. His descendant, John Stewart, 1st Earl of Lennox, was created Earl of Lennox in 1488. Matthew Stewart, 4th Earl of Lennox (1516–1571), was the father of Henry Stuart,