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Male Thomas De Monthermer Click to view Thomas De Monthermer in the family tree

Thomas was born in 1301.  Thomas' father was Ralph De Monthermer and his mother was Joan "of Arce" PLANTAGENET .  His paternal grandparents were Humphrey VII de Bohun and Eleanor De Braose; his maternal grandparents were Edward I "The Longshanks" Plantagenet King Of England and Lenor UNKNOWN. He had a sister named Mary.  He was the younger of the two children.  He died at the age of 39 in 1340 in Battle of Sluys.


Thomas' family with Margaret de Teyes

They had a daughter named Margaret.

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