The St. John Genealogy Project
Origin and Ancestry DNA Database & Electronic Archive
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 Male02nd Baron of Bletso Sir John de Port-St. John |
| Birth | Jan 1549 | |
| Death | 23 Oct 1596 | |
| Burial | ||
| Marriage | 28 Feb 1574 | Buckinghamshire, England  |
| Other Spouse | Jane Dalison | F4487 | |
| Marriage | ||
| Father | 01st Baron of Bletso Oliver de Port-St. John | F3728 Group Sheet | |
| Mother | Agnes Fisher | F3728 Group Sheet | |
 FemaleCatherine Dormer |
| Birth | abt. 1560 | Wing, Buckinghamshire, England |
| Death | 23 Mar 1615 | Westminster, Middlesex, England |
| Burial | ||
| Father | ||
| Mother | ||
| Female + Anne de Port-St. John, Howard |
| Birth | abt. 1581 | Bletsoe, Bedfordshire, England, UK |
| Death | 7 Jun 1638 | St Bartholomews Close, London, England |
| Burial | ||
| Spouse | William Howard, 3rd Baron Howard of Effingham | F758 | |
| Marriage | 7 Feb 1596 | London, England |
| Male Oliver de Port-St. John |
| Birth | 8 Sep 1583 | Bletsoe, Bedfordshire, England, UK |
| Christening | 26 Sep 1583 | Bletsoe, Bedfordshire, England, UK |
| Death | 29 Jan 1585 | Bletsoe, Bedfordshire, England, UK |
| Burial |
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