Complex sentence: Between 1845 and 1851 Caunt worked as farm labourer and then became the landlord of "The Coach and Horses" pub at St. Martin's Lane, a business that made him very prosperous until a fire destroyed the pub and killed two of his children.
Split into simpler sentences: Between 1845 and 1851 Caunt worked as farm labourer and then became the landlord of "The Coach and Horses" pub at St. Martin's Lane, a business that made him very prosperous. Sadly, a fire destroyed the pub and killed two of his children.