Complex sentence: His first wife Amy Ruck was buried in Holy Trinity Church, Corris, North Wales, according to a letter written by Charles Darwin to his close friend, Joseph Dalton Hooker: I never saw anyone suffer so much as poor Frank.
Split into simpler sentences: His first wife Amy Ruck was buried in Holy Trinity Church, Corris, North Wales. According to a letter written by Charles Darwin to his close friend, Joseph Dalton Hooker: I never saw anyone suffer so much as poor Frank.