 Once the field was clear, he took the Stewardship of the Chiltern Hundreds to vacate his seat at Seaford and was returned uncontested for Monmouthshire.While he generally followed the lead of his father-in-law, John Robinson in supporting Pitt's administration, he is known to have broken with them on some issues, such as the scrutiny of the Westminster election of 1784.He was not to sit long in the Commons, as he succeeded his father in the Earldom on 9 April 1785.