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
Stewart of Darnley Darnley and Charles Stuart, 1st Earl of Lennox had been born in England. According to English custom it is desirable that the monarch be naturalized or born in England. By marrying Darnley, Mary neutralized a dangerous rival claim to the throne of England whilst strengthening that of her own house. In 1603 Mary and Darnley's son, James VI of Scotland, succeeded Elizabeth I as King of England, thereby uniting the crowns of England and Scotland and laying the basis for the future United Kingdom. Stewart of Darnley Stewart of Darnley was a notable Scots family, a branch of the Clan