Question: What year was the former Prime Minister, in which Edward Llewellyn, Baron Llewellyn of Steep was the Downing Chief of Staff under, born?
Sentence (from "Viscount Sidmouth"): In May 1804, King George III intended to confer the titles of Earl of Banbury, Viscount Wallingford and Baron Reading on Addington (an earldom was the customary retirement honour for a former Prime Minister).
Relevant evidence: No