Michael Matthew Groat PhD's Genealogical Database
Individuals: 97,713 Families: 61,838
Gedcom Last Modified: December 14, 2025 00:59:10
Seisyll ap Dyfnwal of Abergavenny
- Preferred Name: Seisyll ap Dyfnwal of Abergavenny
- Gender: M
- Fact: NOT MARRIED with note: Description: https://www.geni.com/people/Seisyll-ap-Dyfnwal-Lord-of-Upper-Gwent/6000000007347574227?through=6000000039943421907
- Title (Nobility): with note: Description: Baron of Gwent
- Birth: 1126 in Abergavenny, Monmouthshire, Wales at LATI: N1.9219 LONG: E3.0585
- FSID: GJ3D-QG7
- Death: 25 DEC 1177 in Abergavenny, Monmouthshire, Wales at LATI: N1.9219 LONG: E3.0585
- LifeSketch: with note: Description: Per Hudson_Mohawk Genealogy: Systal, Lord of Upper Gwent m Annest, dau of Sir Peter Russell, Lord of Kentchinan in Hereford.
- Notes:
=== History of Monmouthshire ===
History of Monmouthshire
Preferred Parents:
Father: Dyfnwal Ap Hywel, b. ABT 1086 in Gwent, Wales d. ABT 1130 in Wales
Mother: Joyce De Balladon, b. ABT 1100 in Abergavenny, Monmouthshire, Wales d. in Abergavenny, Monmouthshire, Wales
Family 1: Nest Verch Gruffydd, b. 1120 in Dynevor Castle, Llandilo, Carmarthen, Cymru
Family 2: Annes verch Gruffydd of Kentchurch , b. ABT 1126 in Kentchurch, Herefordshire, England
- Cadwaladr ap Seisyll , b. ABT 1152 in Abergavenny, Monmouthshire, Wales d. 25 DEC 1175 in Abergavenny, Monmouthshire, Wales
Family 3: Dyddgu verch Owain of Monmouthshire , b. 1130 in Monmouthshire, England
- Gwladus verch Seisyll of Abergavenny , b. 1136 in Abergavenny, Monmouthshire, Wales, United Kingdom
Family 4: Anne or Gwladus vz Gruffydd, b. ABT 1118 in of Caerlleon, , Monmouthshire, Wales
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