Cadwallon ap Madog
Cadwallon was born in 1103 in Maelienydd, Radnor, Wales.  He died at the age of 76 on September 22nd, 1179.

 Efa verch Madog
Efa was born about 1133 in Montgomeryshire, Wales.

 Maelgwn ap Cadwallon
Maelgwn was born in Maelienydd, Radnorshire, Wales.  He died in 1197.