Margaret Douglas, Fair Maid of Galloway
Margaret Douglas, Countess of Douglas (died c. 1474), known as the Fair Maid of Galloway, was a Scottish noblewoman, a member of the Black Douglas family towards the end of the family's position as a major force in Scotland.
She married her cousin William Douglas, 8th Earl of Douglas. When he was assassinated she obtained permission to marry his brother, James Douglas, 9th Earl of Douglas, but it is not entirely clear that the marriage ever happened, if it did it must have ended in divorce since they both married again. She then married John Stewart, 1st Earl of Atholl.
She had no children by the Earls of Douglas, but two daughters by the Earl of Atholl. These were Janet, wife of Alexander Gordon, 3rd Earl of Huntly and Elizabeth, wife of Andrew Gray, 2nd Lord Gray. They both had issue by their respective husbands.
Margaret Douglas in fiction
She is a significant character in Black Douglas by Nigel Tranter, which is rather speculative about her relationship with the 8th and 9th Earls of Douglas.