| Name | John Of Gaunt | |
| Suffix | Duke Of Lancaster | |
| Birth | Mar 1340 | Ghent |
| Gender | Male | |
| Death | 3 Feb 1399 | Leicester Castle |
| Person ID | I1236 | Royal family |
| Last Modified | 23 Oct 2021 | |
| Father | Edward III, King Of England, b. 13 Nov 1312, Windsor Castle, Berkshire, England d. 21 Jun 1377, Sheen Palace (Age 64 years) | |
| Mother | Philippa Of Hainault, b. 24 Jun 1311, Valenciennes d. 14 Aug 1369, Windsor Castle, Windsor, Berkshire, England (Age 58 years) | |
| Marriage | 24 Jan 1328 | York Minster |
| Family ID | F451 | Group Sheet | Family Chart |
| Family 1 | Blanche Of Lancaster, b. 1341 d. 12 Sep 1369, Bolingbroke, Castle (Age 28 years) | |||||||
| Marriage | 13 May 1359 | Reading |
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| Family ID | F452 | Group Sheet | Family Chart | ||||||
| Last Modified | 15 Sep 2005 | |||||||
| Family 2 | Constanza (Constance), Queen Of Castile d. 24 Mar 1394, Leicester, England | |||
| Marriage | Sep 1371 | Roquefort |
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| Family ID | F517 | Group Sheet | Family Chart | ||
| Last Modified | 15 Sep 2005 | |||
| Family 3 | Catherine Swynford ROET, b. 1350 d. 10 May 1403, Lincoln (Age 53 years) | |||||||||
| Marriage | 13 Jan 1396 | Lincoln |
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| Family ID | F485 | Group Sheet | Family Chart | ||||||||
| Last Modified | 15 Sep 2005 | |||||||||