Background
William Hay was the son of William Hay, 3rd Earl of Erroll.
William Hay was the son of William Hay, 3rd Earl of Erroll.
He was killed at the Battle of Flodden. He served as the Lord High Constable of Scotland, a hereditary title that was, after the king, the supreme officer of the Scottish army. He was killed on 9 September 1513 in the Battle of Flodden, near Branxton, Northumberland.