Jean I D'Avesnes & Adelheid Von Holland 
Jean I and Adelheid were married in a religious ceremony in September 1246 in Frankfurt Am Main, Hessen-Nassau, Preussen. They had six sons and a daughter, named Johann I, Baldwin, Bouchard, Guy, William, Floris and Jeanne.
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Personal Details
Jean I D'Avesnes
Jean I was born in April 1218 in Etroent, Luxembourg. He died at the age of 39 on December 24th, 1257 in Valenciennes, Nord, France.
Adelheid Von Holland
Adelheid was born in Hertogenbosch, Noord Brabant, Netherlands. She died in Valenciennes, Nord, France.
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Children
Johann I von Hennegau
Johann I was born in 1247 in Brabant, Antwerp, Belgium. He died at the age of 57 on August 22nd, 1304 in Valenciennes, Nord, France.
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