It was the mother house of several other abbeys in Wales, including Cwmhir, Strata Florida, Aberconwy, Strata Marcella and Valle Crucis.
Roedd yn fam-fynachlog i nifer o abatai eraill Cymru, gan gynnwys Cwm-hir, Ystrad-Fflur, Aberconwy, Ystrad Marchell a Glyn y Groes.