One of his younger sons from the second marriage was Spencer Perceval, later British Prime Minister.
A member of this family, Spencer Perceval, the seventh son of the 2nd Earl was Prime Minister of the United Kingdom when he was assassinated by John Bellingham in the lobby of the House of Commons, in 1812.
Spencer Tracy | Marks & Spencer | Spencer | Herbert Spencer | Wedding of Charles, Prince of Wales, and Lady Diana Spencer | Spencer Gulf | Jimmy Spencer | Spencer W. Kimball | Spencer Wells | Bud Spencer | Baldwin Spencer | Spencer Williams | Spencer P. Jones | Spencer Abraham | Jon Spencer Blues Explosion | John Perceval, 2nd Earl of Egmont | Jesse Spencer | Charles Spencer, 9th Earl Spencer | Anne Spencer | Spencer Truman Olin | Spencer Perceval | Spencer House | Spencer G. Lucas | Spencer Gibb | Owen Spencer-Thomas | Nick Spencer | Liam Spencer | John Spencer-Churchill, 7th Duke of Marlborough | John Spencer | John Perceval |
The latter year Pitt made him Lord Privy Seal, a position he would hold under five prime Ministers (Pitt, Addington, Pitt again, Portland, Perceval and Liverpool) for the next 35 years, except between 1806 and 1807 when Lord Grenville was in office.