Robert Banks Jenkinson
Years in office: 1812-1827
Born: 7 June 1770
Nickname: None
Title: Earl of Liverpool
Age assumed office: 42 years 1 day
Total time in office: 14 years 305 days

Robert Jenkinson, 2nd Earl of Liverpool - Wikipedia, the free ...
Robert Banks Jenkinson, 2nd Earl of Liverpool KG PC (7 June 1770 – 4 December 1828)
 was a British politician and the longest-serving Prime Minister of the United Kingdom 
since the ...
en.wikipedia.org/wiki/Robert_Jenkinson,_2nd_Earl_of_LiverpoolEarl of Liverpool | 
Number10.gov.uk
Sir Robert Peel; Earl Russell; Earl of Derby; Earl of Aberdeen; Viscount Palmerston;
 Benjamin Disraeli; William Ewart Gladstone; Marquess of Salisbury; Earl of Rosebery
www.number10.gov.uk/history-and-tour/prime-ministers-in-history/earl-of-liverpoolLord 
Liverpool
Robert Banks Jenkinson, second Earl of Liverpool, served as Prime Minister from 8 June 1815
 to 9 April 1827. He was born in London on 7 June 1770, he was the only child born to ...
www.victorianweb.org/history/pms/Liverpool.html