‌Cynfyn ap Gwerystan of Powys and Angharad verch Maredudd were married in a religious ceremony in 0998.  They had three sons and a daughter, named Bleddyn ap Cynfin of Powys, Caradoc ap Cynfyn, Rhywallon ap Cynfyn of Powys and Everydd ap Cynfyn of Powys.