MaleRichard Plantagenet, , Earl of Cornwall, HRE |
| Birth | 5 Jan 1208/1209 | Winchester Castle, Hampshire, England |
| Death | 2 Apr 1272 | Berkhampstead Castle, Hertfordshire, England |
| Burial | 13 Apr 1272 | Hailes Abbey, Gloucestershire, England |
| Marriage | 30 Mar 1231 [1] | 2nd husband [1] |
| Other Spouse | Sancha Countess of Provence | F1159 | |
| Marriage | 22 Nov 1243 | Westminster Abbey, Middlesex, England |
| Father | John I "Lackland" Plantagenet King of England | F1160 Group Sheet | |
| Mother | Isabella Taillefer de Angouleme | F1160 Group Sheet | |
FemaleIsabel Marshall |
| Birth | 9 Oct 1200 | Pembroke, Pembrokeshire, Wales |
| Death | 17 Jan 1239/1240 | Berkhamstead, Hertfordshire, England |
| Burial | Beaulieu, Southampton, England |
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| Other Spouse | Gilbert de Clare, Earl Gloucester & Hertford,Lord Clare MCS | F992 | |
| Marriage | 9 Oct 1217 | England |
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