William Addington, 3rd Viscount SidmouthWilliam Wells Addington, 3rd Viscount Sidmouth JP DL, was a British peer and politician.BackgroundSidmouth was the son of Reverend William Leonard Addington, 2nd Viscount Sidmouth, eldest son of Prime Minister Henry Addington, 1st Viscount Sidmouth.Political careerSidmouth was Member of Parliament for Devizes between 1863 and 1864.Personal lifeLord Sidmouth died in October 1913, aged 89, and was succeeded in the viscountcy by his son, Gerald.