*Rhiwallon ap Cynfyn
born about 1025 Powys, Wales
died 1070 (slain) Battle of Mechain, Montgomeryshire, Wales

father:
*Cynfyn ap Gwerystan King of Powys
born about 1002 Powys, Wales

mother:
*Angharad verch Maredydd
born about 0982 Deheubarth, Wales
married 1023

siblings:
*Bleddyn ap Cynfyn born about 1025 Montgomeryshire, Wales died 1075
*Miss verch Cynfyn born about 1024 Powys, Wales
*Iwerydd verch Cynfyn born about 1024 Powys, Wales
*Nest verch Cynfyn born about 1027 Powys, Wales
Gwerydd verch Cynfyn

spouse:
unknown

children:
*Sioned (Jonet) verch Rhiwallon born about 1037? Powys, Wales
*Gwladys verch Rhiwallon born about 1041 Powys, Wales

biographical and/or anecdotal:

notes or source:
ancestry.com