High Quality Content by WIKIPEDIA articles! St Fflewin`s Church, Llanfflewin (sometimes referred to as St Fflewyn`s Church, Llanfflewyn) is a small rural church, situated by a farm in Anglesey, north Wales. The first church on the site is said to have been built by St Fflewin in 630, but the present building has no structural features dating from before the 18th century, although the church has a font from the 14th or 15th century and part of an inscribed medieval gravestone has been reused in a window sill.