Guillaume II, Châtelain de Saint Omer 1085 - aft. 1132 (b. 1085) Parents Aganitrude van Brugge Guillaume I, Châtelain de Saint Omer Children Mahaut de Saint Omer Guillaume III, Châtelain de Saint Omer Walter of Saint Omer Siblings Hugh of Saint Omer Godfrey de Saint-Omer