Prince Rhywallon Ap Cynfyn

Prince Rhywallon Ap was born about 1000 in Powys, Wales.  Prince Rhywallon Ap's father was Cynfyn Ap Gweristan and his mother was Angharad Verch Maredudd.  He was an only child.  He died in 1070.

He had a biological daughter, and also an biological child of unknown gender named Gwladus Verch and Sionet Verch.