Llangadwaladr (Welsh pronunciationⓘ) is a small village in south-west Anglesey, Wales, located around 2 miles east of Aberffraw and 3 miles south of Gwalchmai.
The inscription on one monumental stone in the St. Cadwaladr's Church (pictured) reads "Catamanus rex sapientisimus opinatisimus omnium regum" (English: King Cadfan, most wise and renowned of all kings), suggesting that Cadfan ap Iago (c. 569 – c.
[2] One of the windows of St Cadwaladr's church dates from the 12th century.
[3] Unusually, the advowson (right of presentation) of the benefice lay with the monarch rather than the bishop, until Disestablishment (1920).
The inscription is the subject of a "detective story" that interprets it as containing a series of coded messages, insulting to the deceased king.