Mauger, jure uxoris Count of Corbeil was the third son of Richard I of Normandy, and ruled as Count of Corbeil through his wife Germaine, either a daughter or granddaughter of Aymon, Count of Corbeil. "Corbeil" is thought to be the modern... Wikipedia
Grandparents: William Longsword and unknown de Crepon
Grandchildren: Hamo Dapifer and Renaud de Corbeil
Partner: Germaine de Corbeil
Parents: Richard I of Normandy and Gunnor
Great grandchildren: Robert Fitzhamon, Richard de Grenville, Bouchard II, Comte de Corbeil, and more
Cousins: Hugues de Bayeux, Emma of Ivry, Emma d'Ivry, and more
Great-grandparents: Rollo and Poppa of Bayeux