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| / | 12609 | William FITZWILLIAM | | | | | |
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/ | 12603 | William FitzWILLIAM 12609 12610 | | | | | | |
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| | \ | 12610 | Agnes METHAN | | | | | |
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12600 | Joan FitzWILLIAM 12603 12604 | | | | | | | |
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| | | / | 21125 | John De DEINCOURT | | | | |
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| | / | 12605 | Edmund DEINCOURT 21125 21124 | | | | | |
| | | | | | | | / | 21129 | Maldred FitzDOLPHIN 21127 21128 | more > |
| | | | | | | / | 21131 | Robert FitzMALDRED 21129 21130 | | |
| | | | | | | | | \ | 21130 | Miss De STUTEVILLE | |
| | | | | | / | 8963 | Geoffrey de NEVILL of.Raby. 21131 21132 | | | |
| | | | | | | | | | / | 21592 | Geoffrey de NEVILLE 21594 | more > |
| | | | | | | | \ | 21132 | Isabelle De NEVILLE 21592 21593 | | |
| | | | | | | | | \ | 21593 | Emma de BULMER | |
| | | | \ | 21124 | Agnes De NEVILLE 8963 8964 | | | | |
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| | | | | \ | 8964 | Margaret or Joan | | | |
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\ | 12604 | Isabel DEINCOURT 12605 12606 | | | | | | |
| | | | | | / | 21018 | William de MOHUN | |
| | | | | / | 21019 | William de MOHUN 21018 21017 | | |
| | | | | | | \ | 21017 | Godehaut de TOENI 11915 11916 | more > |
| | | | / | 14148 | Reginald de MOHUN 4th.of.Dunster.@6. 21019 21020 | | | |
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| | | | | | \ | 21020 | Lucy | | |
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| | | / | 11274 | Reynold / Reginald de MOHUN 14148 14149 | | | | |
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| | | | | | | / | 14152 | William de BRIWERE | | |
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| | | | | \ | 14149 | Alice de BRIWERE @6. 14152 14153 | | | |
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| | | | | | \ | 14153 | Beatrice de VAUS | | |
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| \ | 12606 | Isabel De MOHUN 11274 21015 | | | | | |
| | | | | | / | 8817 | William de FERRERS 9609 9610 | more > |
| | | | | / | 7563 | William de FERRERS 8817 8816 | | |
| | | | | | | \ | 8816 | Sybil de BRAOSE @84. 8814 8815 | more > |
| | | | / | 7561 | William de FERRERS 7563 7564 | | | |
| | | | | | | | / | 7576 | Hugh Keveliok Le MESCHIN 7575 7574 | more > |
| | | | | | \ | 7564 | Agnes De MESCHINES @66. 7576 7577 | | |
| | | | | | | \ | 7577 | Bertred de MONTFORT @62. 8654 8655 | more > |
| | \ | 21015 | Isabel de FERRERS 7561 7730 | | | | |
| | | | | | / | 7731 | John Fitzgilbert MARSHAL @420. 7733 7734 | more > |
| | | | | / | 7728 | William MARSHAL Earl.of.Pembroke.@443. 7731 7732 | | |
| | | | | | | \ | 7732 | Sibilla (Sibyl) De SALISBURY >>.@420. | |
| | | \ | 7730 | Sybil MARSHAL @38. 7728 7729 | | | |
| | | | | | / | 7736 | Richard FitzGilbert de Clare 7738 7739 | more > |
| | | | \ | 7729 | Isabel de CLARE 7736 7737 | | |
| | | | | \ | 7737 | Eva (Aoife) MacMURROUGH of.Leinster.>>. | |