Received the lordship of Annandale, possibly in 1138. Confirmed it, 1166. He was the second son of Robert de Bruce II. (The concise dictionary of national biography. Part 1 : from the beginnings till 1900. London : Oxford University Press, 1969, pg. 159). Heir to his father's Scottish estates (Scott, Ronald McNair. Robert the Bruce : King of Scots. NY : P. Bedrick, 1989, c1982, pg. xv).