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Male Jean Ier De Dreux Click to view Jean Ier De Dreux in the family tree

Jean Ier was born in 1211.  Jean Ier's father was Robert III Gasteblé De Dreux and his mother was Aénor De Saint-Valéry.  His paternal grandparents were Robert II De Dreux and Yolande De Coucy; his maternal grandparents were Thomas Ier De Saint-Valéry and Adèle Ou Mathilde De Ponthieu. He had a brother named Robert Ier.  He was the older of the two children.  He died at the age of 37 in 1248 in , Nicosie, , Cyp.


Jean Ier's family with Marie De Bourbon

‌Jean Ier and Marie were married in a religious ceremony in 1240.  They had a son named Robert IV.

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