The St. John Genealogy Project
Origin and Ancestry DNA Database & Electronic Archive
Abt 1300 - Abt 1334 (34 years) 
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| Name | John [1] | |
| Suffix | Earl of Cornwall | |
| Birth | Abt 1300 | of, Westminster, Middlesex, England  |
| Gender | Male | |
| Death | Abt 1334 [2] | |
| Person ID | I105513465 | St. John Origin and Ancestry DNA Database |
| Last Modified | 23 Aug 2013 | |
| Father | Edward II Plantagenet, King of England, b. 25 Apr 1284, Caernarfon, Llanbeblig, Caernarvonshire, Wales d. 20 Sep 1327, Berkeley Castle, Berkeley, Gloucestershire, England (Age 43 years) | |
| Mother | Isabel of France, b. of, , , France d. Yes, date unknown | |
| Marriage | 25 Jan 1308 [3] | |
| Family ID | F362172 | Group Sheet | Family Chart |
| Notes |  Notes (Log in) |
| Reference | Suzanne St. John. "John, Earl of Cornwall". The St. John Genealogy Project. https://stjohngenealogy.com/getperson.php?personID=I105513465&tree=OSA0001 (accessed April 25, 2025). |
| Sources |  Sources (Log in) |
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