Geoffroy I de Joinville was born 1045 in Joinville to Étienne I de Joinville et les Vaux (1010-?) and Marie de Brienne (1024-1062) and died circa 1092 of unspecified causes. He married Blanche 1065 JL . Notable ancestors include Charlemagne (747-814). Ancestors are from France, Belgium, Germany.
|Offspring of Geoffroy I de Joinville and Blanche|
|Geoffroy II de Joinville (1065-1100)||1065 Joinville||1100|| Hodierne de Courtenay (1062-)|