Engelbert IV Count of BRIENNE & Petronille de JOIGNY 
They had a son named Gauthier I (Walter) Count of.
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Personal Details
Engelbert IV Count of BRIENNE
Engelbert IV Count of was born in 1012. He died at the age of 43 in 1055.
Petronille de JOIGNY
Petronille de was born about 1022 in Joigny, Yonne, Bourgogne, France. She died after June 6th, 1050.
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Children
Gauthier I (Walter) Count of BRIENNE
Gauthier I (Walter) Count of was born about 1045 in Brienne-le-Chateau, Aube, Champagne, France. He died in 1089.