"A parish in the Union of Llanrwst, hundred of Isdulas, county of Denbigh; lying near the eastern bank of the river Conway, 1½ mile (N by E) from Llanrwst, containing 287 inhabitants. ..... The church, dedicated to St. Dogvan, is a large edifice."
[ A Topographical Dictionary of Wales, 1833 & 1849, Samuel Lewis]
This is a very small parish, made up of one township, Esgrogeunen.