De BOLBEC
(1) Osbern Gyffarde de Bolbec, born 970 in Longueville, Normandy, France. Married Wevia Crepon and had son Walter Giffard and a daughter. Osbern was the High Stewart of Normandy, and was assasinated in 1063 at Vanreuil while sleeping in the chambers of Duke William.

(2) Daughter of Osbern and Wevia. Married Tesselin, Vicomte of Rouen, and had daughter Beatrice.

(3) Beatrice de Vascoeuil, born 1020 in France. Died 1058. Daughter of Tesselin and the unnamed daughter of Osbern and Wevia. Married Rudolf I
de Warrenne.