Étienne was the son of Galéran IV de Meulan and Agnès de Montfort. The date and place of his birth have not been found.
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Galéran IV de Meulan |
Robert I de Beaumont-le-Roger |
Roger de Beaumont |
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Adéline de Meulan |
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Isabelle de Vermandois |
Hugues I de Vermandois |
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Adélaïde de Vermandois |
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Agnès de Montfort |
Amaury III de Montfort |
Simon I de Montfort |
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Agnès d'Évreux |
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Agnès de Garlande |
Anseau I de Garlande |
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Agnès de Rochefort |
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