Farnham, George F, Leicestershire Medieval Pedigrees. Leicester: Thornley, 1925. Available at https://familysearch.org/search/film/007941560 images 458-633. Information from this source tagged as [Ref: Farnham Pedigrees p[0-9]*].
Sources for birth and parent Information
sister:
Alice wife of Peter de ATHELAKESTON [Ref: Farnham Pedigrees p1]