MINAMOTO no Yoshitsuna (a younger brother of Yoshiie) was accused of assassination and hunted by Tameyoshi (Yoshichika's son); Yoshitsuna's family was destroyed and Yoshitsuna was exiled to Sado Province.
その嫌疑を受けた源義綱（義家の弟）が為義（義親の子）の追討を受け、一族は滅ぼされ、義綱は佐渡国へ流罪となった。