| Male Henry Percy, 2nd Baron Percy of Alnwick, Northumberland |
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| Female Idonia Clifford |
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| Father | Robert de Clifford, 1st Baron de Clifford. | F4478 Group Sheet | |
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| Female Maud Percy, Lady, of Henry |
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| Spouse | John Neville, 3rd Baron Neville de Raby | F2052 | |
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