Amadeus was the son of John de St. John and Alice FitzPeter. The date and place of his birth have not been found.
John de St. John |
sir Robert de St. John |
William de St. John |
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Godechild de Paganel |
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Agnes de Cantelupe |
sir William II de Cantelupe |
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Mélisende de Gournay |
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Alice FitzPeter |
sir Reginald FitzPeter |
Piers FitzHerbert |
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Alice FitzRoger |
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Alice de Stanford |
William de Stanford |
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Joan de Vivonia |