![William De Burgh, [Earl of Ulster]](img/male.jpg)
| Name | William De Burgh | |
| Suffix | [Earl of Ulster] | |
| Gender | Male | |
| _UID | 6A249539AF6DB34CBBB33B5BC3DF02325119 | |
| Person ID | I5690 | Ken Tree |
| Last Modified | 3 Nov 2019 | |
| Family | Maud "of Lancaster" Plantagenet, b. 1298, Of, Lancaster, Lancashire, England d. 5 May 1377 (Age 79 years) | |
| Marriage | Bef 1 May 1327 | Papal Dispensati |
| _UID | 2D5C8B0575D05443A3BD4F5651226D23FD90 | |
| Family ID | F2194 | Group Sheet | Family Chart |
| Last Modified | 1 Apr 2026 | |
| Notes |
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