Sir Ralph de Arundel was born circa 1208 at Lanherne, Cornwall, England. He was the son of Sir Renfred de Arundel and Margaret (?). He married Eva de Rupe, daughter of Richard de Rupe. He died before October 1275.1 He gained the title of Lord of Trelory and St. Colomb [feudal barony]. He held the office of Sheriff of Cornwall in 1260.
Child of Sir Ralph de Arundel and Eva de Rupe 1.Renfred de Arundel b. c 1238, d. b 14 Dec 1280