Llan Fernach, in the Cwmwd of Uwch Nefer, Cantref of Cemaes, Co. of Pembroke, South Wales. ... It is 13m. N.N.E. from Narberth. ...
Tradition says, that a very bloody battle was fought on the Common above the Church, when two Princes or Generals were slain, and buried near four large stones now standing, and which are visible at a great distance.
From ‘A topographical dictionary of the Dominion of Wales’ by Nicholas Carlisle (1811).