The St. John Genealogy Project
Origin and Ancestry DNA Database & Electronic Archive
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 | Oliver de Port-St. John, 1st Bart of Woodford (1625-1662)
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 | Barbara St. Andrew (1626- ) |
| Rowland de Port-St. John (1660- ) |
| Dorothy de Port-St. John ( -1677) |
| Jane Blois (1666-1711) |
| Baronet Sir Oliver de Port-St. John (1683-1709) |
| Sir St. Andrew de Port-St. John (1685-1711)  |
| 08th Baron of Bletso William de Port-St. John (1689-1720) |
| 09th Baron of Bletso Rowland de Port-St. John (1691-1722) |
| 10th Baron of Bletso John de Port-St. John (1700-1757) |
| Mary de Port-St. John (1702- ) |
| Elizabeth de Port-St. John (1704- ) |
| Barbara de Port-St. John (1706- ) |
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