He was returned again for Thetford at a by - election in August 1848 .
He was held the seat until his resignation through appointment as Steward of the Chiltern Hundreds on 30 November 1857 .
He was returned again for Thetford at a by - election in August 1848 , and held the seat until his resignation through appointment as Steward of the Chiltern Hundreds on 30 November 1857 .