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 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   
  1. 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   
  1. 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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