Robert was the son of Henry IV de Percy and Idoine de Clifford. The date and place of his birth have not been found.
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Henry IV de Percy |
Henry de Percy |
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Eleanor FitzAlan |
Richard FitzAlan |
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Alaisia di Saluzzo |
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Idoine de Clifford |
Robert de Clifford |
sir Roger III de Clifford |
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Isabella de Vieuxpont |
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Maud de Clare |
sir Thomas de Clare |
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Julian FitzMaurice FitzGerald |