The St. John Genealogy Project
Origin and Ancestry DNA Database & Electronic Archive
 MaleOliver de Port-St. John, of Fonmon |
| Birth | 1324-1333 | Basing, Hampshire, England, UK  |
| Death | aft. 1372 | Fonmon Castle (Welsh: Castell Ffwl-y-mwn) , East Aberthaw, Glamorgan, Wales |
| Burial | ||
| Marriage | ||
| Father | John de Port-St. John, of Boketon, Northampton | F995680 Group Sheet | |
| Mother | Alice Wallis, St. John, de Paveley | F995680 Group Sheet | |
 FemaleElizabeth de la Bere, m. Oliver de Port-St. John of Fonmon |
| Birth | 1325-1333 | Tolvern, Cornwall, England, UK |
| Death | aft. 1372 | |
| Burial | ||
| Father | John de la Bere | F5468 Group Sheet | |
| Mother | Isabel Moulton, m.1) John de la Bere of Tolvern m2) John Arundel | F5468 Group Sheet | |
| Male + Sir John de Port-St. John, Knight, of Fonmon |
| Birth | bef. 20 Nov 1371 | Fonmon Castle (Welsh: Castell Ffwl-y-mwn) , East Aberthaw, Glamorgan, Wales |
| Death | 26 Dec 1424 | |
| Burial | ||
| Spouse | Isabella Paulet, of Barry Castle; m. John Paveley Jr., m.2 John de Port-St. John; | F4420 | |
| Marriage | May 2 1391 | England, UK |
| Male + Alexander de Port-St. John, of Barry (1/4th Penmark = Porthkerry) |
| Birth | abt. 1373 | |
| Death | aft. 1422 | |
| Burial | ||
| Spouse | Margery ferch John St. John, (1/4th of Penmark = West Barrowe) m. Alexander de Port-St. John to hold 1/2 Penmark combined | F5645 | |
| Marriage | abt. 1400 | Glamorgan, Wales, UK |
| de Port-St. John Documents |  | Media (Log in) |
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