Kasai Sadakiyo

Kasai Sadakiyo was a late Kamakura and early Nanboku-chō busho of the Kasai clan in Mutsu, son of Kasai Munekiyo. The sada of his name was granted by the Hōjō regent Sadatoki.

In 1335 he and his father joined Kitabatake Akiie's western campaign against Ashikaga Takauji; in 1337 he followed Akiie to Ryozen Castle for the renewed campaign. After Akiie fell in 1338 he returned to Oshu and fought the Northern Court alongside Kitabatake Chikafusa, dying in 1350.