Mary of Guise grace may perceive the perplexed state of affairs in Scotland." At first Guise stayed unwillingly at Linlithgow Palace, then in July 1543 she moved with the infant Queen to Stirling Castle. When Ralph Sadler spoke to her again in August, Guise assured him the English marriage would go ahead when Mary was ten years old. In the meantime Mary was safe at Stirling, and Guise said she was glad to be at Stirling and, "much she praised there about the house." It soon became clear to Henry VIII that Mary and Edward would not be married, despite Scottish promises and
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