 In July 1770 Jones bought Babraham in Cambridgeshire and demolished the Elizabethan manor house which had been built in the Italian style by Sir Horatio Pallavicini [Palavicino].He died in 1774.He had married and had a daughter, but as his daughter had married J. W. Adeane without his approval, he made his grandson Robert Jones Adeane his heir.