Bulloch, John Malcolm, House of Gordon, Aberdeen: University Press, 1907. Available at http://archive.org/details/houseofgordonedi02bull. Information from this source tagged as [Ref: Bulloch GORDON v2p[0-9]*].
Sources for birth and parent Information
parents:
[Ref: Bulloch GORDON v2p426]
Research Notes:
John VII of Wardes [Ref: Bulloch GORDON v2p426]