After that, however, he kept in touch with FUJIWARA no Sadaie, the son of Toshinari (It is said that when Sadaie found about the death of Michitomo, he mourned over his death).
だが、その後も俊成の息子である藤原定家とは親しく交際を続けていた（後に定家は通具死去の報を受けて深く悲しんだという）。