Richard le Goz, Viscount Avranches - Richard Le Goz different parents

Richard le Goz born abt. 1022 d. abt. 1066 son of Thurstan Toustien le Goz viscount of Avranches b. abt 989 Avranches, d. Aft. 1041 m. Judith de Montanolier Montalier b. 982 Avranches, d. 1044 Avranches.

MedLands is no help, as Cawley says that neither the mother nor the wife of Richard le Goz is known for certain (a controversy about his wife is reported, with no commitment either way).