As described in historical dictionaries

Patronymica Britannica (1860)

MOLINEUX. MOLYNEUX. This family came from Molineaux-sur-Seine, not far from Rouen, celebrated for the ruins of an ancient fortress popularly called the Castle of Eobert le Diable, which was destroyed by John Sans-Terre, but re-built in 1378 by the King of Navarre. Itin. de la Normandie. The noble family trace an unbroken male descent from "William de Moliueux, lord of Sefton, co. Lancaster, oneof the followers of William the Conqueror. Courthope's Debrett.

Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.


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