Berthe was the daughter of Bérenger I de Frioul and Berthe de Spolète. The date and place of her birth have not been found.
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Bérenger I de Frioul |
saint Évrard I de Frioul |
Hunroch II de Saint-Bertin |
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Engeltrude de Paris |
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Gisèle de Bavière |
Louis I du Saint-Empire |
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Judith de Bavière |
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Berthe de Spolète |
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