[2] He married Margaret, daughter of Richard le Goz, Viscount of Avranches, whose son and successor Hugh d'Avranches became Earl of Chester in England c.
[4] Ranulf helped preside over a judgment in the curia of King William (as duke) in 1076 in which a disputed mill was awarded to the Abbey of Mont Saint-Michel.
[7] His name is attached to a memorandum in 1085, and on 24 April 1089 he witnessed a confirmation of Robert Curthose, Duke of Normandy and Count of Maine to St Mary of Bayeaux, where he appears below his son in the witness list.
His son Ranulf le Meschin became ruler of Cumberland and later Earl of Chester.
[10] He also had a daughter called Agnes, who later married Robert (III) de Grandmesnil (died 1126 (fr) or 1136).