Cynfyn ap Gwerystan
Cynfyn ap was born in Powys, Wales.  He died about 1061 in Powys Castle, Montgomeryshire, Wales.

 Angharad verch Maredudd
Angharad verch was born about 0982 in Deheubarth, Monmouth, Wales.  She died in 1033.

 Angharad verch Cynfyn
Angharad verch was born about 1024 in Powys, Wales.

 Bleddyn "Sais" ap Cynfyn
Bleddyn "Sais" ap was born in Powys, Montgomeryshire, Wales.  He died in 1075 in Powys Castle, Montgomeryshire, Wales.

 Iwerydd verch Cynfen
Iwerydd verch was born in Powys, Wales.

 Rhiwallon ap Cynfyn