SOURCE-14822Research NeededProbable
Lancaster, Andrew (2007), "The de Lancasters of Westmorland: Lesser-Known Branch...
Full citation
Lancaster, Andrew (2007), "The de Lancasters of Westmorland: Lesser-Known Branches, and the Origin of the de Lancasters of Howgill" (PDF), Foundations: Journal of the Foundation of Medieval Genealogy2 (4)