The St. John Genealogy Project
Origin and Ancestry DNA Database & Electronic Archive
Name | Llywelyn ap Gwilym [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11] | |
Birth | Abt 1400 | of, Porth-yr-ogof, Ystradfellte, Breconshire, Wales ![]() |
Christening | {Tribe: Bleddyn ap Maenyrch} ![]() |
|
Gender | Male | |
Name | Ieuan ab Gwilym [12] | |
Name | Ieuan ap Gwilim [13] | |
Name | Ieun ab Gwm [14] | |
Name | Llen ab Gwillm [15] | |
Name | Llew ap Gllm [16, 17] | |
Name | Llew Gllm Prees Lloyd ap Adam [18] | |
Name | Llew Gllm Rees Lloyd ap Adam [19] | |
Name | Llew Gllm Rees Llwyd ap Adam [20] | |
Name | Llew Gwilym Rees Lloyd ap Adam [21] | |
Name | Llewelyn ap Gwilim [22] | |
Name | Llewelyn ap Gwilym [23, 24] | |
Name | Llewelyn Gwilym Rees Lloyd ap Adam [25] | |
Name | Llewelyn Gwilym Rhys Lloyd ap Adam [26] | |
Name | Lleweyn Gwilym Prees Lloyd [27] | |
Name | Lln Gllm ab Lloid [28] | |
Name | Llnn ab Gllim [29] | |
Name | Llnn ab Gllnn [30] | |
Name | Llnn Gllnn ab Rs Lloid [31] | |
Name | Llnn Gwillm ab Rs Lloid [32] | |
Death | Yes, date unknown | |
Person ID | I104789360 | St. John Origin and Ancestry DNA Database |
Last Modified | 22 Aug 2013 |
Family | Margred ferch Dafydd "Gam", b. Abt 1400, of, Peutun-du, Llan-ddew, Breconshire, Wales ![]() | |
Family ID | F9322 | Group Sheet | Family Chart |
![]() |
Notes | ![]() |
Reference | Suzanne St. John. "Llywelyn ap Gwilym". The St. John Genealogy Project. https://stjohngenealogy.com/getperson.php?personID=I104789360&tree=OSA0001 (accessed May 2, 2025). |
Sources | ![]() |
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.