 A clergyman in 1864 remembered stonework on the latter, but this was no longer evident at the time of the 1925 Royal Commission.The Norman structure may have reused a prehistoric fort.The name of the parish church was "Langetot" in the Taxatio of 1293, as "Langettod" in the St David's episcopal register of 1513, and appears on a 1578 parish map of Pembrokeshire as "Llantwood"..