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| | | / | 11277 | Robert de BEAUCHAMP of Hatch @. | | | |
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| | / | 11272 | John de BEAUCHAMP of.Hatch.@3. 11277 11276 | | | | |
| | | | | | | / | 14148 | Reginald de MOHUN 4th.of.Dunster.@6. 21019 21020 | more > |
| | | | | | / | 11274 | Reynold / Reginald de MOHUN 14148 14149 | | |
| | | | | | | | \ | 14149 | Alice de BRIWERE @6. 14152 14153 | more > |
| | | | \ | 11276 | Alice de MOHUN @. 11274 11275 | | | |
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| | | | | \ | 11275 | Hawise (dau of Geoffrey) FITZPIERS @6. | | |
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| / | 11270 | John de BEAUCHAMP 1st.Lord.of.Hacche.@3. 11272 11273 | | | | | |
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| | | | | | / | 11280 | Hugh de Vivonia of Chewton | | |
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| | | | | / | 11279 | William Fort de VYVON .of.Chewton.@3. 11280 11281 | | | |
| | | | | | | | | / | 11282 | William Malet of Curry Malet (d 1217) 19157 19158 | more > |
| | | | | | | \ | 11281 | Mabel Malet @3. 11282 11283 | | |
| | | | | | | | \ | 11283 | Mabel Alice BASSET @5. 11284 11285 | more > |
| | | \ | 11273 | Cicely de VYVON @3. 11279 11278 | | | | |
| | | | | | | / | 7563 | William de FERRERS 8817 8816 | more > |
| | | | | | / | 7561 | William de FERRERS 7563 7564 | | |
| | | | | | | | \ | 7564 | Agnes De MESCHINES @66. 7576 7577 | more > |
| | | | \ | 11278 | Maud FERRERS @3. 7561 7730 | | | |
| | | | | | | / | 7728 | William MARSHAL Earl.of.Pembroke.@443. 7731 7732 | more > |
| | | | | \ | 7730 | Sybil MARSHAL @38. 7728 7729 | | |
| | | | | | \ | 7729 | Isabel de CLARE 7736 7737 | more > |
/ | 11499 | John de BEAUCHAMP of.Hatch. @2. 11270 11271 | | | | | | |
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| | \ | 11271 | Joan CHENDUIT @3. | | | | | |
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20857 | Cecily BEAUCHAMP 11499 11500 | | | | | | | |
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| | | | | / | 26634 | William de St JOHN | | |
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| | | | / | 11711 | Robert de St. JOHN Lord.of.Basing.@16. 26634 26635 | | | |
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| | | | | | \ | 26635 | Godechild de PAGANEL | | |
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| | | / | 11712 | John de St. JOHN of.Basing.@14. 11711 11710 | | | | |
| | | | | | | | / | 11182 | William de CANTILUPE 11795 11801 | more > |
| | | | | | | / | 11184 | William de CANTILUPE Steward. 11182 | | |
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| | | | | \ | 11710 | Agnes CANTILUPE @16. 11184 11185 | | | |
| | | | | | | | / | 11708 | Hugh de GOURNAY | |
| | | | | | \ | 11185 | Millicent De GOURNAI 11708 11709 | | |
| | | | | | | \ | 11709 | Juliana de DAMMARTIN | |
| | / | 11503 | John de St JOHN 11712 11713 | | | | | |
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| | | | | | | / | 7698 | Piers FitzHERBERT @19.>>. | | |
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| | | | | | / | 11714 | Reynold FITZPIERS @3. 7698 7699 | | | |
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| | | | | | | | \ | 7699 | Alice FitzROGER of.Warkworth 19.>>. | | |
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| | | | \ | 11713 | Alice FITZPIERS @3. 11714 11715 | | | | |
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| | | | | \ | 11715 | Alice | | | |
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\ | 11500 | Margaret St JOHN @2. 11503 11502 | | | | | | |
| | | | | | / | 10715 | Renaud de COURTENAY 10711 10712 | more > |
| | | | | / | 9192 | Robert de COURTENAY @16. 10715 10716 | | |
| | | | | | | \ | 10716 | Hawise de CURCY 10717 | more > |
| | | | / | 10720 | John or Hugh de COURTENAY @10. 9192 9193 | | | |
| | | | | | | | / | 9194 | William de VERNON de REVIERS @16. 9206 | more > |
| | | | | | \ | 9193 | Mary de VERNON de REVIERS @16. 9194 9195 | | |
| | | | | | | \ | 9195 | Mabel (Countess) de BEAUMONT @16. 9203 9202 | more > |
| | | / | 10195 | Hugh de COURTENAY 10720 3759 | | | | |
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| | | | | | | / | 3757 | Hugh de VERE 4th.Earl.of.Oxford.@44. | | |
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| | | | | \ | 3759 | Isabel De VERE @10. 3757 3758 | | | |
| | | | | | | | / | 7746 | Saher de QUINCY @326. 22473 22474 | more > |
| | | | | | \ | 3758 | Hawise De QUINCY @78. 7746 7745 | | |
| | | | | | | \ | 7745 | Margaret 'FitzPernel' de BEAUMONT @201. 7743 7744 | more > |
| \ | 11502 | Isabell De COURTENAY @2. 10195 10194 | | | | | |
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| | | | | / | 10050 | Hugh le DESPENSER | | |
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| | | | / | 9379 | Hugh le DESPENSER 10050 | | | |
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| | \ | 10194 | Alinore DESPENCER @10. 9379 9380 | | | | |
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| | | | | / | 11286 | Hawise de Louvaine (dau of de Louvaine) | | |
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| | | \ | 9380 | Aline or Aliva BASSET @26. 11286 11287 | | | |
| | | | | | / | 11288 | Alan Basset, lord of Wycombe @26. 10707 10708 | more > |
| | | | \ | 11287 | Sir Philip Basset of Wycombe 29.10.1271) 11288 11289 | | |
| | | | | \ | 11289 | Aline or Aliva dau of Philip de GAI @26. | |