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Male Roger I Seymour Click to view Roger I Seymour in the family tree

Roger I was born about 1258 in Penhow, Monmouthshire, Wales.  Roger I's father was William De St Maur and his mother was Eva Marshal.  His paternal grandfather was Milo St Maur; his maternal grandparents were Gilbert VII Earl Of Pembroke Marshal and Marjory Scotland.  He was an only child.  He died about 1300.


Roger I's family

He had a biological son named Roger II.

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