Complex sentence: Yang Xiu was an officer of Cao Cao during the Three Kingdoms period of China, the son of esteemed Han dynasty officer Yang Biao and a nephew of the powerful warlord Yuan Shao.
Split into simpler sentences: Yang Xiu was an officer of Cao Cao during the Three Kingdoms period of China. He was the son of esteemed Han dynasty officer Yang Biao and a nephew of the powerful warlord Yuan Shao.