Complex sentence: Mr and Mrs Gaskell visited the village and spent some time there on their wedding tour; on another later visit in 1844 it was at the inn there that their young son William caught scarlet fever, from which he died.
Split into simpler sentences: Mr and Mrs Gaskell visited the village and spent some time there on their wedding tour. On another later visit in 1844 it was at the inn there that their young son William caught scarlet fever, from which he died.