Pierre was the son of Bertrand-Rambaud d'Orange and Gerberge de Nice. The date and place of his birth have not been found.
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Bertrand-Rambaud d'Orange |
Raimbaud I de Nice |
Laugier de Nice |
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Odile de Provence |
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Adélaïde de Gévaudan |
Bertrand II de Gévaudan |
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Gerberge de Nice |
Foulques I Bertrand |
Guillaume II (IV) de Provence |
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Gerberge de Bourgogne-Comté |
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