NameGruffydd AP MAREDUDD Lord Of Mawddwy, 29G Grandfather
Web Notes notes for Gruffydd AP MAREDUDD Lord Of Mawddwy
From the chart on pp. 82-83 of John Davies' "A History of Wales". His brother, MADOG, was the heir to Powys, Gruffudd did not rule. His sons Owain and Meurig, however, were able to claim control over most of the kingdom.