SOURCE-11811Research NeededProbable
Thorpe, Benjamin. Florentii Wigomiensis Monachi Chronicon, Tamus II. London (184...
Full citation
Thorpe, Benjamin. Florentii Wigomiensis Monachi Chronicon, Tamus II. London (1849), p. 32, cited in Cawley, Charles. Foundation for Medieval Genealogy: Medieval Lands Database. Duncan I.