- Marriage: William de Courcy 141
~Cokayne's Complete Peerage, 2nd Edition, Vol. IV, p. 317, Chart, Robert d'Avranches married do the daughter of Gelduin de Dol. They were the parents of Maud d'Avranches.
~Cokayne's Complete Peerage, 2nd Edition, Vol. IV, p. 317, Chart, William de Curcy, dead by 1162, married Maud d'Avranches, who died 21 Sep 1173. They were the parents of Hawise, Lady of Okehampton. 141
Maud married William de Courcy, son of Robert de Courcy and Rohese de Grandmesnil.141 (William de Courcy died before 1162 in England/France 141.)