Complex sentence: The Chester by-election of 1869 was contested on 4 December 1869 due to the succession to a peerage of the incumbent Liberal MP, Hugh Grosvenor, Earl Grosvenor.
Split into simpler sentences: The Chester by-election of 1869 was fought on 4 December 1869. The by-election was fought due to the succession to a peerage of the incumbent MP of the Liberal Party, Earl Grosvenor.