Jian'an poetry
For example , according to Burton Watson , the first major poet of the new "shi" style that emerged at this time was Cao Zhi , one of the sons of Cao Cao , a family which came into power at the end of Han and developed further during the Three Kingdoms era of the Six Dynasties period . 
<triplet> Cao Zhi <subj> Cao Cao <obj> father <triplet> Cao Cao <subj> Cao Zhi <obj> child