an Entity references as follows:
Thurnham Castle or Godard's Castle is situated to the north of the village of Thurnham which is 3 miles north-east of Maidstone, Kent (grid reference TQ 808 582). It is a 12th-century flint-built castle constructed by Robert of Thurnham in the reign of Henry II on a hill on the edge of the North Downs. One side of the bailey wall still stands 10 foot high and originally it enclosed an area of about a quarter of an acre. In the 12th century, the site belonged to the de Say family and then the Thurnhams.