Rhodri Mawr King of Gwynedd who unified much of Wales and defeated Viking incursions (820–878) (0820–0878) Parents Nest ferch Cadell Merfyn Frych Children Merfyn ap Rhodri Tudwal Gloff Cadell ap Rhodri Anarawd ap Rhodri Merfyn ap Rhodri Mawr Siblings Gwriad ap Merfyn Partners Angharad ferch Meurig
