Upon retiring December 25, 1557, he prepared instructions for his descendants which comprised 14 articles (known as 'Sanshi Kyokunjo'), asking the family to unite.
隠居に際しての同年11月25日､14箇条の遺訓（いわゆる｢三子教訓状｣）を作成、家中の結束を呼びかけた。