[2] In 1493 and 1509 Douglas was in possession of charters of the lands of Grenane, in Ayrshire.
[2] William Douglas was knighted before 1511,[citation needed] and was slain on 9 September 1513 at the Battle of Flodden.
[3] Douglas was pledged in marriage, by contract, in 1492, to Elizabeth, daughter and co-heir of the later James Auchinleck of that Ilk, by which contract he received a grant of the wardship of Auchinleck's estates.
[3] Elizabeth Douglas survived her husband and entered the convent of St. Catherine of Siena, on the Burgh Muir of Edinburgh.
[citation needed] This convent was to give its name to the Sciennes area of the city.