It was founded in 1158-9 and dedicated to the Virgin Mary under the patronage of Maredudd ap Cynan ab Owain Gwynedd (d. 1212), Lord of Merioneth and grandson of Owain Gwyned and his brother, Gruffudd ap Cynan, prince of N. Wales (d. 1200).
Gwynedd | Owain Glyndŵr | Bangor, Gwynedd | Bala, Gwynedd | Owain Gwynedd | Kingdom of Gwynedd | Maelgwn Gwynedd | Owain Lawgoch | Owain | Madog ap Maredudd | Alys ferch Owain Glyndŵr | Tal-y-llyn, Gwynedd | Owain Goch ap Gruffydd | Owain Brown | Maredudd ab Owain | House of Gwynedd | Bethesda, Gwynedd | Selyf ap Cynan | Rhun ab Owain Gwynedd | Owain Phyfe | Owain Glyndŵr (Owen Glendower) | Owain ap Hywel Dda | Morgan ap Maredudd | Maredudd ap Cynan ab Owain Gwynedd | Maelgwn ab Owain Gwynedd | Lower Gwynedd Township, Montgomery County, Pennsylvania | Llywelyn the Elder ap Maredudd ap Cynan ab Owain Gwynedd | kingdom of Gwynedd | John "Wynn" ap Maredudd | Hywel ab Owain Gwynedd |