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Female Mary de Monthermer Click to view Mary de Monthermer in the family tree

Mary was born in 1298.  Mary's father was Ralph de Monthermer , Baron, Earl of Hertford and her mother was Joan Plantagenet of Acre.  Her maternal grandparents were "Longshanks" King of England Edward I and Princess Of Castile and Leon Eleanor. She had two brothers and a sister, named Thomas, Edward and Joan. She had a half-brother and three half-sisters, named Gilbert, Eleanor, Margaret and Elizabeth.  She died after 1371.


Mary's family

‌Mary were married in a religious ceremony in November 1307.

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