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

father:
*Hwfa ap Ithel
born Denbighshire, Wales

mother:
*Yslani verch Gruffudd
born about 1104 Caernarvonshire, Wales

siblings:
*Gwion ap Hwfa born about 1110 Denbighshire, Wales

spouse:
unknown

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

biographical and/or anecdotal:

notes or source:
LDS
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