Brother of Gilbert Crispin I. Father of Geoffroi/Goisfrid Fitz Rou du Bec, Ralph de Bec, Toustain Fitz Rou le Blanc. [Falaise Roll, p. 23, 67]
NEWLIN LINE
Son of Crespin de Bec and Heloise Guines. Father of Goisfried de Bec who m. Lesceline. [Thomas Bledsoe <bledsoe@housingpartnership.net, 28 Apr 2003]