History of Gwynedd during the High Middle Ages controlled Ceredigion, taking Llanfihangel, Aberystwyth, and Llanbadarn Fawr. Liberating Llanbadarn, one local chronicler hailed Owain and Cadwaladr both as "bold lions, virtuous, fearless and wise, who guard the churches and their indwellers, defenders of the poor [who] overcome their enemies, affording a safest retreat to all those who seek their protection". The brothers restored the Welsh monks of Llanbadarn, who had been displaced by monks from Gloucester brought there by the Normans who had controlled Ceredigion. By late September 1136 a vast Welsh host gathered in Ceredigion, which included the combined forces of Gwynedd, Deheubarth, and Powys; and met the
Creuddyn, Ceredigion of Deheubarth ruled in medieval Kingdom of Ceredigion, including Creuddyn. Rhys ap Gruffydd's grandson Maelgwn Fychan (d. 1257) battled for control of the area; Gwenllian (d. 1254) died at Llanfihangel-y-Creuddyn. Either Maelgwn or his grandsons Llywelyn or Rhys may have been responsible for building the large 13th century church which still stands today. Creuddyn, Ceredigion Creuddyn was a medieval commote (Welsh: "cwmwd") and, later, a lordship in Ceredigion, Wales. It was located between the rivers Ystwyth and Rheidol, and was one of the three commotes of Cantref Penweddig. The name, of Old Welsh origin, probably refers to the Pen Dinas