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Male Sir William II of Undy and Penhow de St. Maur Click to view Sir William II of Undy and Penhow de St. Maur in the family tree

Sir William II of Undy and Penhow was born in of Penhow,Monmouthshire.1   Sir William II of Undy and Penhow's father was Sir William De St. Maur and his mother was Eve MARSHALL.  His maternal grandparents were William MARSHALL [Earl Of Pembrok and Isabel Fitzgilbert De Clare. He had a half-brother and seven half-sisters, named Peter, Eva, Maud, Isabela, Eleanor, Matilda, Ela and Joan.  He died in 1271.1 


Sir William II of Undy and Penhow's family


1 {Pullen010502.FTW}
Further sources/citations:
History of Monmouth, {Ahnentafel for Margery Arundell}, Wallop Family & Their Ancestry @ p 702

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