 The Skeltons resided at the castle till 1712, when Richard Skelton sold the castle to William Sanderson.Robert Sanderson Milbourne (1660–1741), inherited the castle from his brother in 1727.Robert was assistant to Thomas Rymer in preparing the massive 20-volume "Foedera" (a compilation of treaties between England and foreign states from 1066 to 1654), and he made the castle the centre of a collection of antiquities and relics.