Furthermore, he excercised his power by actively arranging marriages and adoptions with the Waga clan, the Masuzawa clan which was a branch family of the Asonuma clan, and the Kunohe clan.
また、和賀氏や阿曽沼氏庶流鱒沢氏、九戸氏らと婚姻関係や養子縁組を積極的に行い、大いに威をはった。