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Male Jean I de Avesnes Click to view Jean I de Avesnes in the family tree

Jean I de was born in 1218 in Houffalize,Luxembourg,Belgium.  He died at the age of 39 on December 24th, 1257 in Valenciennes,Nord,France.

Jean I de's family with Aleida Countess of Holland

‌Jean I de and Aleida Countess of were married in a religious ceremony in 1246 in Frankfort Am Mai,Hessen-Nassau,Prussia.  They had a son named Jean II.

Source/Citation
Pedigree Resource File CD 6

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