Complex sentence: From 1812 to 1832 he was member of parliament for Staffordshire and from 1832 to 1835 for the southern division of that county, being specially prominent in the House of Commons as an advocate of Roman Catholic emancipation.
Split into simpler sentences: From 1812 to 1832, he was member of parliament for Staffordshire and then was the MP for the southern division of that county until 1835. In the House of Commons, Littleton was especially prominent as an advocate of Roman Catholic emancipation.