*Madog ap Cadwgon
born about 1150 Nannau, Llanfachreth, Merionethshire, Wales

father:
*Cadwgon ap Madog
born about 1138 Nannau, Llanfachreth, Merionethshire, Wales

mother:
*Gwenllian I verch Owain
born about 1124 Caernarvonshire, Wales

siblings:
unknown

spouse:
*Efa verch Madog
born about 1178 Montgomeryshire, Wales

children:
*Nest verch Madog born about 1200 Nannau, Llanfachreth, Merionethshire, Wales
*Meurig ap Madog born about 1202 Nannau, Llanfachreth, Merionethshire,Wales

biographical and/or anecdotal:

notes or source:
LDS