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| | | | | / | 21010 | Robert WILLOUGHBY | |
| | | | / | 21011 | John WILLOUGHBY 21010 21009 | | |
| | | | | | \ | 21009 | Margaret DEINCOURT 12605 12606 | 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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/ | 21007 | Thomas WILLOUGHBY @. 8792 8791 | | | | | | |
| | | | | | | / | 25565 | John le STRANGE 25564 25563 | more > |
| | | | | | / | 25567 | John le STRANGE 25565 25566 | | |
| | | | | | | | \ | 25566 | Maud de WALTON | |
| | | | | / | 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 | | | | | |
| | | | | | | / | 8801 | John FITZALAN @40. 21193 21194 | more > |
| | | | | | / | 8799 | Richard FITZALAN @40. 8801 8802 | | |
| | | | | | | | \ | 8802 | Isabella MORTIMER @40. 8803 8804 | more > |
| | | | | / | 7797 | Edmund FITZALAN 8th.Earl.of.Arundel.@24. 8799 8800 | | | |
| | | | | | | | | / | 10304 | Tomaso I del Vasto | |
| | | | | | | \ | 8800 | Alisona or Alicia DE SALUZZO @40. 10304 10305 | | |
| | | | | | | | \ | 10305 | Aluigia del Vasto di Ceva | |
| | | \ | 8796 | Aline (Olive) FITZALAN @. 7797 7798 | | | | |
| | | | | | | / | 7807 | John de WARREN 7802 7801 | more > |
| | | | | | / | 7800 | William De WARREN @24. 7807 7808 | | |
| | | | | | | | \ | 7808 | Alix (Alfais) de LUSIGNAN @40. | |
| | | | \ | 7798 | Alice de WARREN @24. 7800 7799 | | | |
| | | | | | | / | 3753 | Robert De VERE @34. 3757 3758 | more > |
| | | | | \ | 7799 | Joane De VERE @24. 3753 3754 | | |
| | | | | | \ | 3754 | Alice De SANFORD @34. 3762 3763 | more > |
20993 | Robert WILLOUGHBY 21007 21006 | | | | | | | |
| | | | | | / | 6751 | Richard ARUNDEL FITZALAN 9th.Earl.@23. 7797 7798 | more > |
| | | | | / | 8746 | John FITZALAN (ARUNDEL).@3. 6751 3712 | | |
| | | | | | | \ | 3712 | Eleanor PLANTAGENET @34. 3728 3729 | more > |
| | | | / | 21000 | John FITZALAN 8746 8747 | | | |
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| | | | | | \ | 8747 | Eleanor MALTRAVERS >>. | | |
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| | | / | 21002 | John FITZALAN 13th.Earl.of.Arundel. 21000 21001 | | | | |
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| | | | | \ | 21001 | Elisabeth DESPENCER | | | |
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| | / | 21004 | Richard FITZALAN 21002 21003 | | | | | |
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| | | | \ | 21003 | Eleanor BERKELEY | | | | |
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\ | 21006 | Joan FITZALAN 21004 21005 | | | | | | |
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| \ | 21005 | Alice | | | | | |
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