He may have been "Radulphus Anglicus" who witnessed charters of Alain Duke of Brittany in [1031/32]. As "dapifer", he witnessed a charter of King Edward "the Confessor" in 1060.
He was one of the Royal "Stallers". The Chronicon Centulense records that "un noble, breton d’origine…Raoul, qui jouissait d’un grand crédit et de grands honneurs auprès de" Edward the Confessor donated revenue to Saint-Riquier. He held extensive estates in Norfolk and Suffolk, although it is uncertain whether this was by royal grant or by inheritance from his wife's family.
Seigneur de Gaël, in Brittany. William I King of England created him Earl of Norfolk and Suffolk in 1067. The Chronicon Centulense records a charter under which King William I confirmed donations to Saint-Riquier made by "le comte Raoul et Raoul son fils".
The name of Ralph’s wife is not known. The Complete Peerage suggests that she was the sister of Godwin, a landowner in Norfolk. 1