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Male Thomas de Monthermer , Baron Monthermer 2nd Click to view Thomas de Monthermer , Baron Monthermer 2nd in the family tree

Thomas was born on October 4th, 1301.  Thomas' father was Ralph de Monthermer , Baron, Earl of Hertford and his mother was Joan Plantagenet of Acre.  His maternal grandparents were "Longshanks" King of England Edward I and Princess Of Castile and Leon Eleanor. He had a brother and two sisters, named Edward, Mary and Joan. He had a half-brother and three half-sisters, named Gilbert, Eleanor, Margaret and Elizabeth.  He died  due to battle at the age of 38 on June 24th, 1340 in Battle of Sluys, Flanders, France.


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