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Erard De Brienne & Mahaut

They had a daughter named Beatrice.

Personal Details
- Erard De Brienne
  Erard was born in 1245. He died at the age of 33 in 1278.
  
  Mahaut
  Mahaut was born in 1248.

Children
- Beatrice De Brienne
  Beatrice was born in 1290 in , , , France. She died at the age of 24 in 1314 in , , , France.