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Male Robert Ier De Dreux-Beû Click to view Robert Ier De Dreux-Beû in the family tree

Robert Ier was born in 1217.  Robert 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 Jean Ier.  He was the younger of the two children.  He died at the age of 64 on November 14th, 1281.


Robert Ier's first family with Clémence De Chateaudun

‌Robert Ier and Clémence were married in a religious ceremony before 1253.  They had a daughter named Alix.


Robert Ier's second family with Isabelle La Chambellane De Villebéon

‌Robert Ier and Isabelle La Chambellane were married in a religious ceremony in 1263.  They had a son named Robert II.

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