| Name | Fernando III Alfonsez King of Castille & Leon | |
| Birth | 5 Aug 1201 | Leon, Leon, Spain |
| Gender | Male | |
| Death | 30 May 1252 | Sevilla, Sevilla, Spain |
| Person ID | I1314 | Martherus | Ancestors of Nora Martherus |
| Last Modified | 9 Jun 2004 | |
| Family | Jeanne (Joan) Countess of Dammartin, Ponthieu, b. Abt 1216, Dammartin, Seine-et-Marne, France d. 15 Mar 1278/1279, ABBEVILLE, SOMME, France (Age 63 years) | |||
| Marriage | 1237 | Burgos, Burgos, Spain |
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| Family ID | F699 | Group Sheet | Family Chart | ||