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 with Information about marriage to Margery Fitz RALPH
date:
first marriage of Serlo [Ref: Keats-Rohan DD p486, Keats-Rohan DD p892],
child:
[Ref: Keats-Rohan DD p486]
Sources with Information about marriage to Matilda
date:
second marriage of Serlo [Ref: Keats-Rohan DD p486],
child:
[Ref: Keats-Rohan DD p486]
Research Notes:
from Grindon, Staffordshire [Ref: Keats-Rohan DD p486]
initial founder of what later became Parco Stanley abbey in Derbyshire [Ref:
Keats-Rohan DD p486]