An understanding of 春王正月条, an article written in the first year of Inko (Lu) (B.C. 721) in 'Kuyoden,' which is a commentary of "Shunju" (Spring and Autumn Annals) (i.e., the top article of Shunju), says '子以母貴、母以子貴' (Child is noble for its mother, and mother is noble for her child).
『春秋』の注釈書である「公羊伝」の隠公_(魯)元年春王正月条（すなわち『春秋』の冒頭記事にあたる）の解釈の中に「子以母貴、母以子貴（子は母を以って貴し、母は子を以って貴し）」という文章がある。