Guillaume I de Crispin

Guillaume I de was born in 1019 in Bec Abbey, Crespin, Normandie, France.¹   Guillaume I de's father was Gilbert I de Crispin and his mother was Gonnor le Teuton. He had five brothers and four sisters, named Robert, Osule de, Baldwin, Gilbert II de, Milo, Agnes FitzGilbert, Roberte de, Emma and Elise.  He was the fifth oldest of the ten children. He had a half-brother and a half-sister, named Richard FitzGilbert De and Isabel de.¹