From the Monumental Inscriptions of Old Radnor Church published by Powys Family History Society.
Samuel Davies (Bilmore) died 14th June 1893 aged 64
Martha Angelena (wife) died 11th January 1905 aged 76.
Next grave:
Arthur, son of Samuel and Martha Davies (of Womaston)
Died Dec 26th 1881 aged 20.
(A possible connection)
Elsewhere, another stone records the burial place of Jane Davies, wife of Samuel and daughter of Richard and Jane Barnbrook
Born September 19th 1809, died March 5th 1841.
Bilmore Farm still exists, it's on the opposite end of Old Radnor Hill, to Old Radnor Church.
Womaston is in the bottom of the Radnor Valley.