Complex sentence: He was subsequently made Intendant (yin) of Henan (19) Before Wanng Ji could begin his new job, though, Sima Yi took control of the government back from Cao Shuang and executed him.
Split into simpler sentences: He was subsequently made Intendant (yin) of Henan. However Before Wang Ji could begin his new job Sima Yi took control of the government back from Cao Shuang and executed him.