Ranulf de Gernon, 4th Earl of Chester was the son of the magnate who originated in what city in Normandy?
Ranulf le Meschin, 3rd Earl of Chester: Ranulf le Meschin, 3rd Earl of Chester (1070−1129) was a late 11th- and early 12th-century Norman magnate based in northern and central England. Ranulf le Meschin, 3rd Earl of Chester:  Originating in Bessin in Normandy, Ranulf made his career in England thanks to his kinship with Hugh d'Avranches - the earl of Chester, the patronage of kings William II Rufus and Henry I Beauclerc, and his marriage to Lucy, heiress of the Bolingbroke-Spalding estates in Lincolnshire.
i don't know