The St. John Genealogy Project
Origin and Ancestry DNA Database & Electronic Archive
 MaleWilliam Brett |
| Birth | ||
| Death | 1634 | Tipperary, Ireland, UK  |
| Burial | ||
| Marriage | ||
| Father | Geoffrey Brett | F398637 Group Sheet | |
| Mother | Allan Laffan | F398637 Group Sheet | |
 FemaleMargaret daughter of Robert St. John, Brett |
| Birth | abt. 1579 | Tipperary, Ireland, UK |
| Death | ||
| Burial | ||
| Father | Robert St. John, of St. Johnstown Castle, Kilbride, Mortlestown, Milltown-St. John,Lismortagh, Tipperary, Ireland | F398635 Group Sheet | |
| Mother | Margaret Fanning, St. John, m. 2 Cornelius Meagher | F398635 Group Sheet | |
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