[1] The Shiba were based in Mutsu Province, which occupied the north of Honshū.

The clan also inherited the governorship of Owari Province in present-day Aichi Prefecture.

Shiba Takatsune (1305–1367) expanded the role of the clan when he sided with Ashikaga Takauji (1305–1358) in the skirmishes against the Emperor Go-Daigo in 1335.

[citation needed] The Shiba fell into factional dispute by the mid-15th century and were unable to make a transition to Sengoku-daimyō and lost Echizen to the Asakura in the 1470s.

[1] When Yoshimune was killed in the year 1554 by Oda Nobutomo the clan effectively came to an end.