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Female Isabeau De Flandres Click to view Isabeau De Flandres in the family tree

Isabeau was born in 1275.  Isabeau's father was Guy De Dampierre and her mother was Isabeau De Luxembourg.  Her paternal grandparents were Guillaume II De Dampierre and Marguerite De Flandres; her maternal grandparents were Henri II Le Blond De Luxembourg and Mathilde Ou Marguerite De Bar. She had a half-brother named Guillaume IV Sans Terre.  She died at the age of 48 in 1323.


Isabeau's family with Jean Ier De Fiennes

‌Isabeau and Jean Ier were married in a religious ceremony in 1307.  They had a daughter named Jeanne.

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