Complex sentence: He boarded the East Indiaman "Grenville" in March 1771 intending to return to China, but after a series of accidents the crew took against him and he disembarked at Deal, Kent.
Split into simpler sentences: He boarded the East Indiaman "Grenville" in March 1771 intending to return to China. After a series of accidents the crew took against him, he disembarked at Deal, Kent.