Muriel De Conteville

Muriel was born about 1041 in , , , Normandy.  Muriel's father is Harlevin (Herlevin) De Conteville Seigneur and her mother is Herleve De Falais Concubine.  Her paternal grandfather is Jean De Conteville; her maternal grandparents are Fulbert De Falais and Doda (Dode) () Concubine. She had two brothers and a sister, named Odo, Robert De Mortaigne and Emma.  She is the youngest of the four children. She had a half-brother and a half-sister, named William I The Conqueror and Adelaide.

They have a daughter named Muriel.