
| Name | Joan de FERRERS | |
| Birth | Abt 1232 | Of, , Derbyshire, England |
| Gender | Female | |
| Death | Bef Oct 1267 [5] | |
| Person ID | I14165 | Coombs |
| Last Modified | 18 Aug 2017 | |
| Father | William de FERRERS, 5th Earl of Derby, b. Abt 1200, Of, , Derbyshire, England d. 24 Mar 1254, , Evington, Leicestershire, England (Age 54 years) | |
| Mother | Sibyl MARSHALL, b. Abt 1204, Pembroke, Pembroke, Wales d. 27 Apr 1245 (Age 41 years) | |
| Marriage | Bef 14 May 1219 | Of, Pembroke, Pembrokeshire, Wales |
| Family ID | F2239 | Group Sheet | Family Chart |
| Family 1 | Robert AGUILLON, KNIGHT | |
| Marriage | Abt 1251 | |
| Family ID | F5680 | Group Sheet | Family Chart |
| Last Modified | 2 Feb 2026 | |
| Family 2 | John de MOHUN, b. 1225, Dunster, Somersetshire, England d. 1253, Landes forest, Aquitania, France (Age 28 years) | |
| Family ID | F5681 | Group Sheet | Family Chart |
| Last Modified | 2 Feb 2026 | |
| Sources |