William Adelin had married Fulk's daughter Matilda, which would have cemented an alliance between Henry and Anjou, but the White Ship disaster put an end to this.
Guillerme Adelin casou coa filla de Fulco, Matilde, o que consolidou unha alianza entre Henrique I e a casa de Anjou, pero o desastre do Barco Branco puxo fin a isto.