 He is also reputed to have had numerous illegitimate children, none of whom he acknowledged or made any provision for.Of his legitimate children John (1721–1784) inherited Astrop Park and became a Member of Parliament and Edward (1723–1787) followed his father to the Bar and in due course became Solicitor General (1766–1768) and a judge of the Court of King's Bench.Sir John also encouraged his younger cousin Edward of Newbold Comyn to become a barrister