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| | | / | 12307 | Henry de FERRERS | | | |
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| | / | 9611 | Robert de FERRERS 1st.Earl.of.Derby.@84. 12307 12308 | | | | |
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| | | | \ | 12308 | Bertha | | | |
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| / | 9609 | Robert de FERRERS 2nd.Earl.of.Derby.@84. 9611 9612 | | | | | |
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| | | \ | 9612 | Hawise de VITRE | | | | |
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/ | 8817 | William de FERRERS 9609 9610 | | | | | | |
| | | | | | | / | 11923 | Robert 'the.Devil'.Duke.of.Normandy.@953 19149 19150 | more > |
| | | | | | / | 6247 | William I "Le Conquberant" De NORMANDY 11923 11924 | | |
| | | | | | | | \ | 11924 | Herlette/Herleva/Arlette de FALAISE | |
| | | | | / | 9615 | William "The Elder" PEVEREL 6247 9618 | | | |
| | | | | | | | | / | 9619 | Ingelric of England @59. 9621 9622 | more > |
| | | | | | | \ | 9618 | Maud (Athelida) de INGELRICA @144. 9619 9620 | | |
| | | | | | | | \ | 9620 | Not Known | |
| | | | / | 9613 | William "The Younger" PEVEREL 9615 9616 | | | | |
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| | | | | | \ | 9616 | Adeline of LANCASTER | | | |
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| | \ | 9610 | Margaret PEVEREL @84. 9613 9614 | | | | | |
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| | | \ | 9614 | Avice de LANCASTER @124. | | | | |
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23319 | Petronella De FERRERS @15. 8817 8816 | | | | | | | |
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| | / | 8814 | William II de BRAOSE | | | | | |
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\ | 8816 | Sybil de BRAOSE @84. 8814 8815 | | | | | | |
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| \ | 8815 | Bertha of Gloucester >>. | | | | | |
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