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| | | | / | 21010 | Robert WILLOUGHBY | | |
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| | | / | 21011 | John WILLOUGHBY 21010 21009 | | | |
| | | | | | | / | 12605 | Edmund DEINCOURT 21125 21124 | more > |
| | | | | \ | 21009 | Margaret DEINCOURT 12605 12606 | | |
| | | | | | \ | 12606 | Isabel De MOHUN 11274 21015 | more > |
| | / | 21013 | John WILLOUGHBY 21011 21012 | | | | |
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| | | | \ | 21012 | Joan ROSCELYN | | | |
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| / | 8793 | Robert WILLOUGHBY 21013 21014 | | | | | |
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| | | \ | 21014 | Cicely de UFFORD | | | | |
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/ | 8792 | William WILLOUGHBY Baron.Willoughby. 8793 8794 | | | | | | |
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| | | | / | 12489 | William SKIPWITH | | | | |
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| | \ | 8794 | Alice SKIPWITH 12489 21008 | | | | | |
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| | | \ | 21008 | Alice HILTOFT | | | | |
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8790 | Margaret (Margery) WILLOUGHBY @. 8792 8791 | | | | | | | |
| | | | | | / | 25564 | John le STRANGE | |
| | | | | / | 25565 | John le STRANGE 25564 25563 | | |
| | | | | | | \ | 25563 | Joan de SOMERY 8650 8651 | more > |
| | | | / | 25567 | John le STRANGE 25565 25566 | | | |
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| | | | | | \ | 25566 | Maud de WALTON | | |
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| | | / | 25569 | Roger le STRANGE 25567 25568 | | | | |
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| | | | | \ | 25568 | Isolda | | | |
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| | / | 8795 | Roger Le STRANGE 25569 25570 | | | | | |
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| | | | \ | 25570 | Maud | | | | |
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\ | 8791 | Lucy Le STRANGE @. 8795 8796 | | | | | | |
| | | | | | / | 21193 | John FITZALAN @40. 21195 21196 | more > |
| | | | | / | 8801 | John FITZALAN @40. 21193 21194 | | |
| | | | | | | \ | 21194 | Maud De VERDON de.BOTILLER 11857 11858 | more > |
| | | | / | 8799 | Richard FITZALAN @40. 8801 8802 | | | |
| | | | | | | | / | 8803 | Roger de MORTIMER Lord.of.Wigmore.@88. 9351 9350 | more > |
| | | | | | \ | 8802 | Isabella MORTIMER @40. 8803 8804 | | |
| | | | | | | \ | 8804 | Maud de BRAOSE @88. 8805 8806 | more > |
| | | / | 7797 | Edmund FITZALAN 8th.Earl.of.Arundel.@24. 8799 8800 | | | | |
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| | | | | | | / | 10304 | Tomaso I del Vasto | | |
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| | | | | \ | 8800 | Alisona or Alicia DE SALUZZO @40. 10304 10305 | | | |
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| | | | | | \ | 10305 | Aluigia del Vasto di Ceva | | |
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| \ | 8796 | Aline (Olive) FITZALAN @. 7797 7798 | | | | | |
| | | | | | / | 7802 | William de WARENNE 7806 7805 | more > |
| | | | | / | 7807 | John de WARREN 7802 7801 | | |
| | | | | | | \ | 7801 | Maud MARSHAL @152. 7728 7729 | more > |
| | | | / | 7800 | William De WARREN @24. 7807 7808 | | | |
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| | | | | | \ | 7808 | Alix (Alfais) de LUSIGNAN @40. | | |
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| | \ | 7798 | Alice de WARREN @24. 7800 7799 | | | | |
| | | | | | / | 3757 | Hugh de VERE 4th.Earl.of.Oxford.@44. | |
| | | | | / | 3753 | Robert De VERE @34. 3757 3758 | | |
| | | | | | | \ | 3758 | Hawise De QUINCY @78. 7746 7745 | more > |
| | | \ | 7799 | Joane De VERE @24. 3753 3754 | | | |
| | | | | | / | 3762 | Gilbert De SANDFORD (SAUNFORD) | |
| | | | \ | 3754 | Alice De SANFORD @34. 3762 3763 | | |
| | | | | \ | 3763 | Loretta (Lora) Mrs De SANFORD | |