William Douglas, 7th Earl of Morton
William Douglas, 7th Earl of Morton was a grandson of the 6th Earl of Morton. He was Treasurer of Scotland, and a zealous Royalist.
William Douglas, 7th Earl of Morton, KG
William Douglas, 6th Earl of Morton
William Douglas, 6th Earl of Morton was the son of Robert Douglas of Lochleven and Margaret Erskine, a former mistress of James V of Scotland.
Mary, Queen of Scots was a prisoner in the Glassin Tower at Lochleven Castle