Toshima Yasuie

Toshima Yasuie, known as Saburō, was a Heian-period local magnate of southern Musashi Province, from the Taira-surnamed Chichibu line that produced the Toshima clan. The son of Toshima Tsuneie, he took a daughter of Chichibu Shigehiro as wife for his son Kiyomoto, and when his daughter wed Fujiwara Tōkane he gave her part of Adachi District.

By the Hōgen Disturbance of 1156 Kiyomoto led the clan for Minamoto no Yoshitomo. Yasuie is also named as founder of Seikōji temple.