Complex sentence: He was born into a middle-class family in Kenton, Ohio on September 19,1876 and died aged 52 in London on March 7,1929, his life cut short by pneumonia during an influenza epidemic.
Split into simpler sentences: He was born into a middle-class family in Kenton, Ohio. He died aged 52 in London, his life cut short by pneumonia during an influenza epidemic.