Note: John, Lord Grey of Groy, married Adela, daughter and co-heir of William FitzOsbert, son of Robert Crispin, Earl of Hereford, whose arms were: Gules a bend argent, over all a fesse or. Robert Crispin's wife was Aldreda, daughter ofRalph de Yvery, whose arms were: Or, three chevronels gules. In Howard's latelypublished "Life of L. J. Grey," the descent of this family is from Rollo to Sir Henry Grey of Turroc.