History of the Lands and Their Owners in Galloway, FHL 941.49 H2m 1994 v. 4, p 74 states: "Alexander Gordon married his cousin german, Margaret, daughter of John Sinclair of Earlston, by his wife Janet, daughter of George Gordon of Troquhain, parish of Balmaclellan (his uncle). On the 28th of May they had a precept of ch of the land of Boreland from William M'Ghie of Balmaghie, confirmed on the 16th July following. Also, on the residence Alexander built were the initials A.G. and M.S. with the date 1518.