The St. John Genealogy Project
Origin and Ancestry DNA Database & Electronic Archive
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 Male05th Baron of Bletso / 2nd Earl of Bolingbroke Oliver St. John |
| Birth | 1634 | |
| Death | 18 Mar 1688 | |
| Burial | ||
| Marriage | 24 Nov 1654 | |
| Father | Sir Paulet St. John | F4125 Group Sheet | |
| Mother | Elizabeth Vaughan | F4125 Group Sheet | |
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