Madog ap Maredudd
Madog ap was born in Powys, Montgomeryshire, Wales.  He died in 1160 in Winchester, Herefordshire, England.  He was buried in St. Tylilio at Meifod, Powys, Wales.

 Efa verch Eirian
Efa verch was born about 1110.  Efa verch is no longer alive.

 Cynwrig "Efell" ap Madog
Cynwrig "Efell" ap was born about 1138 in Montgomershire, Wales.