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Male Neil IV De St Sauveur Click to view Neil IV De St Sauveur in the family tree

Neil IV De was born in 1012 in St Sauveur, Cotentin, Manche, Normandy, France.  Neil IV De's father was Neil III De Contentin and his mother is Adela D'Eu.  His paternal grandparents are Neil II De St Sauveur and UNKNOWN Helena; his maternal grandfather was Godfrey De Brionne & Eu and his maternal grandmother is Hawise De Guines. He had three brothers named William I, Comte De Lassy and Ivo III Bellomontensis.  He was the oldest of the four children.  He died at the age of 61 in 1073.

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