*Iorwerth ap Caswallon
born Llys-y-cil, Llanferres, Denbighshire, Wales
died after 1222

father:
*Caswallon ap Hwfa
born Llys-y-cil, Llanferres, Denbighshire, Wales

mother:
unknown

siblings:
unknown

spouse:
unknown

children:
*Cynwrig ap Iorwerth
born Llys-y-cil, Llanferres, Denbighshire, Wales

biographical and/or anecdotal:

notes or source:
LDS
research of S. E. Oman Salt Lake City