Complex sentence: James Justinian Morier (1780-1849) was an English diplomat and author noted for his novels about Persia, most famously for the "Hajji Baba" series.
Split into simpler sentences: James Justinian Morier (1780-1849) was an English diplomat and author noted for his novels about Persia. He is most famous for the "Hajji Baba" series.