The St. John Genealogy Project
Origin and Ancestry DNA Database & Electronic Archive
![]() |
Rhys ap Gruffudd "Fychan" |
![]() |
![]() |
[unknown] ferch Gruffudd "Fychan" |
![]() |
![]() |
Dafydd ap Gruffudd "Fychan" |
![]() |
![]() |
Ifor ap Gruffudd "Fychan" |
![]() |
![]() |
Gruffudd "Gethin" ap Gruffudd "Fychan" |
![]() |
![]() |
Gruffudd "Llwyd" ap Gruffudd "Fychan" |
![]() |
![]() |
Iorwerth ap Gruffudd "Fychan" |
![]() |
![]() |
Llywelyn ap Gruffudd "Fychan" |
![]() |
![]() |
John ap Dafydd "Fongam" |
![]() |
![]() |
Hywel "Gam" ap Dafydd "Fongam" |
![]() |
![]() |
Ieuan "Ddû" ap Dafydd "Fongam" |
![]() |
![]() |
Gruffudd "Fychan" ap Dafydd "Fongam" |
![]() |
![]() |
Mabli ferch Dafydd |
![]() |
![]() |
Dafydd "Fongam" ap Dafydd |
![]() |
![]() |
Lleucu ferch Gruffudd "Llwyd" |
![]() |
![]() |
Mabli ferch Dafydd |
![]() |
![]() |
Maredudd ap Meurig "Gôch" |
![]() |
![]() |
Margred ferch Meurig "Gôch" |
![]() |
![]() |
Gruffudd ap Meurig "Gôch", lord of Rhydodyn |
![]() |
![]() |
Dafydd ap Meurig "Gôch" |
![]() |
Unknown | |
![]() |
Meurig "Gôch" ap Gruffudd, arglwydd of Caeo and Cilycwm |
![]() |
Unknown | |
![]() |
Iorwerth "Winau" ap Gruffudd |
![]() |
![]() |
Gruffudd ap Cydifor, arglwydd of Caeo and Cilycwm |
![]() |
![]() |
Nest ferch Cadwallon |
![]() |
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.