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Walter I de Brienne & Eustachie de Tonnerre

They had a son named Erard I.

Personal Details
- Walter I de Brienne
  Walter I was born in 1030 in Champagne, Dordogne, Aquitaine, France. He died at the age of 59 in 1089 in , , , France.
  
  Eustachie de Tonnerre
  Eustachie was born in 1062 in Tonnerre, Yonne, Bourgogne, France. She died at the age of 43 in 1105.

Children
- Erard I de Brienne
  Erard I was born in 1090 in Brienne, Saone-et-Loire, Bourgogne, France. He died at the age of 35 in 1125 in Champagne, Dordogne, Aquitaine, France.