Isabelle was the daughter of Guy I de la Roche-sur-Ognon and Agnès de Bruyère. The date and place of her birth have not been found.
She had two marriages/partners. Her first husband was Godefroy de Bruyères, who she married in 1256. The place has not been found. They had no known children.
Her second husband was Hugues de Brienne, who she married in 1277. The place has not been found. They had no known children.
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Guy I de la Roche-sur-Ognon |
Othon IV de la Roche |
Pons II de la Roche |
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