| Name | Constanza (Constance) | |
| Suffix | Queen Of Castile | |
| Gender | Female | |
| Death | 24 Mar 1394 | Leicester, England |
| Person ID | I1416 | Royal family |
| Last Modified | 15 Sep 2005 | |
| Father | King Pedro III Of Castile | |
| Family ID | F905 | Group Sheet | Family Chart |
| Family | John Of Gaunt, Duke Of Lancaster, b. Mar 1340, Ghent d. 3 Feb 1399, Leicester Castle (Age 58 years) | |||
| Marriage | Sep 1371 | Roquefort |
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| Children |
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| Family ID | F517 | Group Sheet | Family Chart | ||
| Last Modified | 15 Sep 2005 | |||