*Ieuan ap Hywel
born Henllys, Cefn-y-fan, Caernarvonshire, Wales

father:
*Hywel ap Maredudd
born Bron-y-foel, Llanenddwyn, Merionethshire, Wales

mother:
*Gwenllian verch Gruffudd
born Henglawdd, Cilcen, Denbighshire, Wales

siblings:
unknown

spouse:
unknown

children:
*Efa verch Ieuan
born Henllys, Cefn-y-fan, Caernarvonshire, Wales

biographical and/or anecdotal:

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