Ystrad Marchell Charters
Although there are few visible remains today of the Cistercian abbey of Ystrad Marchell near Welshpool, the evidence of the charters reveals it to have been a religious house of some wealth and importance within medieval Powys. Following its foundation in the late twelfth century by Owain Cyfeiliog (d. 1197), prince of southern Powys, it acquired many gifts of land and grants of privilege. Original charters and copies of charters now missing, by which such benefactions were made, are found in various archives held by a number of repositories, the most important being a group of some thirty-five charters from Gwenwynwyn and other princely benefactors among the Wynnstay Estate Archives at the National Library of Wales. The abbey's foundation The Register and Chronicle of the Abbey of Aberconway records that Owain ap Gruffudd (ca. 1100-1170), prince of southern Powys and lord of Cyfeiliog, founded the abbey of Ystrad Marchell of the Cistercian Order in 1170. The site which he gran