The St. John Genealogy Project
Origin and Ancestry DNA Database & Electronic Archive
Show family with spouse 
Show family with parents 
Select other spouses 
Select other parents 
 | Oliver de Port-St. John, of Fonmon (1333-1373)
|
| Sir John de Port-St. John, Knight, of Fonmon (1371-1424)  |
| Sir John (II) St. John, of the Barony of Penmarc Place & Lordship of West Barry; the King's Knight (1362-1428)
|
 | Phillipa Mortimer, St. John, of Thornbury, Devon (1360-1397)
|
| Constance St. John, of Thornbury, Devon (1373-1401) |
| Christina St. John, of Hewish, Devon (1374- ) |
| John (III) St. John, d.s.p. (1395-1428) |
| Agnes St. John (1390-1420) |
| (William) St. John (1395- ) |
| (Elizabeth) St. John, de Berkeley (1395-1414) |
| (Phillipa) St. John, de Berkeley (1399- ) |
| John de Port-St. John, of West Barry (1402-1423) |
Send a message
Join Our Y-DNA Project
Join Us On Social Media
As of June 15, 2024, our website requires a paid membership subscription to access premium content. Limited to paid members are Media, Notes and Private Notes, Repositories, Sources, reports, and charts for ancestors, descendants, and timelines, as well as other exclusive content, including some blog articles and historical biographies. To learn more about this change, please visit our membership information page.
