Meurig King Seisyllwg succeeded King Seisyllwg.
[his son] Gwgon King Seisyllwg was born to Meurig King Seisyllwg.
[his daughter] Angharad Seisyllwg Queen Consort Gwynedd was born to Meurig King Seisyllwg.
Llywelyn ap Merfyn King Powys x 1
Idwal ap Anaward "Foel aka Bald" King Gwynedd x 1
Gwgon King Seisyllwg x 1
Cadell ap Rhodri King Seisyllwg x 1
