Complex sentence: He therefore did not live to see his ambition of conquering Ming China come about, although his son, the Shunzhi Emperor, succeeded him and became the first of the Qing dynasty emperors to govern China.
Split into simpler sentences: He therefore did not live to see his ambition of conquering Ming China come about. Dorgon thus succeeded him and became the first of the Qing dynasty emperors to govern China.