A Norman knight, Ranulf participated in William, Duke of Normandy's invasion of England in 1066.
He obtained lands of Norfolk and Suffolk in England from Roger Bigod as tenant in chief.
[1][a] Ranulf was succeeded by his eldest son Gibert.
Ranulf married Matilda, daughter of Ralph I de Langetot, they are known to have had the following issue:
This biography of an English peer or noble is a stub.