Keats-Rohan, K.S.B., Domesday Descendants, A Prosopography of Persons Occurring in English Documents 1066-1166. Vol II: Pipe Rolls to Cartae Baronum. Bury St Edmunds, Suffolk: Boydell Press, 2002. NYPL ARF 03-4178 vol 2. Corrections at http://users.ox.ac.uk/~prosop/domesday-descendants-corrigenda.pdf Information from this source tagged as [Ref: Keats-Rohan DD p[0-9]*].
Sources for birth and parent Information
father:
illeg son [Ref: Keats-Rohan DD p1059]
Research Notes:
attested his father's grant to Saint-Andre-de-Gouffern together with his
father's wife and legitimate sons [Ref: Keats-Rohan DD p1059]