Seisylt Ap Gwilyn
Birth date:
ABT 1150
Birth place:
Cardigan, , , Wales
 
Death date:
  UNKNOWN
Death place:
  , , ,

Gwilyn Family

Parents:
Father: Gwillim Son of Aydan (Aeddan)
Mother: Anne Russell
Spouse:
Spouse: Gwenllian Ferch Uywel = Caerllion
 
Siblings:
Seisylt Ap Gwilyn
Meurig
Hywel
Cynan
Cynhaethwy
Meurat Ap Gwas Teilo
Cynhaethwy Ap Aeddan
Cynan Osglog Ap Aeddan
Hywel Ap Aeddan
Children:
Ieuan Ap Seisylt
Llywarch Ap Gwilym
Gwenllian Verch Gwilym
Seisyllt Ap Gwilym
Llywarch
Gwenllian
Seisyllt
Unknown Ieuan