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Male John I D'Avesnes Seigneur Click to view John I D'Avesnes Seigneur in the family tree

John I was born in 1218 in Etraeungt, Nord, , France.  John I's father was Bouchard D'Avesnes Seigneur and his mother was Margaret Of Hainault.  His paternal grandfather was James (Jacques) D'Avesnes Seigneur and his paternal grandmother is Adelfia (Adelphie) De Guise Heiress; his maternal grandparents were Baldwin VI Of Hainault Count and Marie Of Champagne Empress. He had a half-brother named Guy II Dampierre.  He died at the age of 39 on December 24th, 1257 in Valenciennes, , , France.  He was buried in 1257 in Valenciennes, , , France.


John I's family with Alhildis Of Holland Heiress

‌John I and Alhildis were married in a religious ceremony in September 1246 in Frankfurt.  They had two sons named John II and Guy d Avesnes.

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