Robert was the son of Amaury III de Montfort and Agnès de Garlande. The date and place of his birth have not been found.
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Amaury III de Montfort |
Simon I de Montfort |
Amaury I de Montfort |
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Bertrade de Gometz |
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Agnès d'Évreux |
Richard de Normandie |
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Godehilde |
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Agnès de Garlande |
Anseau I de Garlande |
Guillaume I dit Adam de Garlande |
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Agnès de Respy |
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Agnès de Rochefort |
Guy II de Chevreuse |
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Élisabeth de Crécy |
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