KLDeWitt Genealogy Research Project
Our Family's Journey Through Time from Europe and Canada to the US

| Name | William Donn de Burgh | |
| Suffix | 3rd Earl of Ulster | |
| Birth | 1312 | |
| Gender | Male | |
| Reference Number | 19643 | |
| Death | 1333 | |
| Person ID | I19643 | KLD Genealogy |
| Last Modified | 22 Jun 2026 | |
| Father | John de Burgh, b. 1286 d. 18 Jun 1313 (Age 27 years) | |
| Relationship | bio | |
| Mother | Elizabeth de Clare, 11th Lady of Clare Baroness d'Amory, b. 16 Sep 1295, Tewkesbury, Gloucestershire, England d. 4 Nov 1360, Ware, Hertfordshire, England (Age 65 years) | |
| Relationship | bio | |
| Family ID | F7086 | Group Sheet | Family Chart |
We make every effort to document our research. If you have something you would like to add, please contact us.