Geoffroi de Joinville & Mabille De Villehardouin 
They had a son named Guillaume.
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Personal Details
Geoffroi de Joinville
Geoffroi was born in 1245 in Joinville, Haute-Marne, Champagne, France. He died at the age of 45 in December 1290 in Joinville, Haute-Marne, Champagne, France.
Mabille De Villehardouin
Mabille was born in March 1247 in Lezinnes, Aube, Champagne, France. She died at the age of 60 in 1307 in Joinville, Haute-Marne, Champagne, France.
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Children
Guillaume de Joinville
Guillaume was born in 1278 in Joinville, Haute-Marne, Champagne, France. He died at the age of 44 in 1322 in Joinville, Haute-Marne, Champagne, France.