| Male John Of Gaunt, Duke Of Lancaster |
| Birth | Mar 1340 | Ghent  |
| Death | 3 Feb 1399 | Leicester Castle |
| Burial | ||
| Marriage | Sep 1371 | Roquefort |
| Other Spouse | Blanche Of Lancaster | F452 | |
| Marriage | 13 May 1359 | Reading |
| Other Spouse | Catherine Swynford ROET | F485 | |
| Marriage | 13 Jan 1396 | Lincoln |
| Father | Edward III, King Of England | F451 Group Sheet | |
| Mother | Philippa Of Hainault | F451 Group Sheet | |
| Female Constanza (Constance), Queen Of Castile |
| Birth | ||
| Death | 24 Mar 1394 | Leicester, England |
| Burial | ||
| Father | King Pedro III Of Castile | F905 Group Sheet | |
| Mother | ||
