Career
Styled Marquess of Granby from 1711, he succeeded to the title in 1721, cutting short a brief career in the House of Commons, where he had represented Rutland as a Whig. He held a variety of government and court positions including Lord Lieutenant of Leicestershire 1721–1779, Chancellor of the Duchy of Lancaster 1727–1736, Lord Steward of the Household 1755–1761, and Master of the Horse 1761–1766. They had eleven children, most of whom died young:
Lady Catherine Rachel Manners (b 1718), died young
Lady Caroline Manners (b spring 1719), died young
Lady Frances and Lady Bridget Manners (d 30 December 1719), twins
John Manners, Marquess of Granby (1721–1770)
Lord Robert Manners-Sutton (1722–1762)
Lord George Manners-Sutton (1723–1783)
Lord William Manners (29 July 1724 – 11 March 1730)
Lady Leonora Manners (d June 1740)
Lady Frances Manners (c 1726 – 3 February 1739)
Lord Frederick Manners (b 17 February 1728)
He supported the creation of London"s Foundling Hospital and was one of its founding governors when it received its royal charter in 1739.