Complex sentence: Sir William Molesworth (30 June 1758--22 February 1798) 6th Baronet Molesworth of Pencarrow, Cornwall, was elected MP for Cornwall on 25 February 1784 and served until 1790.
Split into simpler sentences: Sir William Molesworth, 6th Baronet (30 June 1758--22 February 1798) was a British politician and one of the Molesworth baronets of Pencarrow, Cornwall. He was elected MP for Cornwall on 25 February 1784 and served until 1790.