Complex sentence: One of the first home-built house trailers in America was built by John "Jack" Anthony Porcella, grocer-barber-restauranteer-miner who travelled extensively throughout the western states.
Split into simpler sentences: One of the first home-built house trailers in America. Built by John "Jack" Anthony Porcella, grocer-barber-restauranteer-miner who travelled extensively throughout the western states.