Archibald Douglas, 6th Earl of Angus held the post of Lord Chancellor and became guardian of James V of Scotland by marrying his widowed mother, Margaret Tudor, with whom he had a daughter, Margaret Douglas, mother of Henry Stuart, Lord Darnley. In 1545, Angus led his forces to victory at the Battle of Ancrum Moor where they defeated the English army during the Rough Wooing, and he was also present at the defeat in 1547 at the Battle of Pinkie Cleugh.