The article on the marriage was contained in "Gunkan" where it mentioned that Harunobu's Genpuku as well as his official court ranks were fixed by the Imagawa clan, and the Imperial envoy at the time was said to be Kinyori SANJO.
なお、『軍鑑』では輿入れの記事も見られ、晴信の元服と官位も今川氏の斡旋があり勅使は三条公頼としている。