The was a Japanese clan claiming descent from the Minamoto clan

Minamoto clan

was one of the surnames bestowed by the Emperors of Japan upon members of the imperial family who were demoted into the ranks of the nobility. The practice was most prevalent during the Heian Period , although its last occurrence was during the Sengoku Era. The Taira were another such offshoot of...

 of the Heian era that held influence and territory in the provinces of Echizen province

Echizen

Echizen may refer to:* Echizen Province, an old province of Japan* Echizen, Fukui, a city in Fukui Prefecture* Echizen, Fukui , a town adjacent to said city, in Fukui Prefecture* Nomura's jellyfish, also known as Echizen jellyfish...

 and Owari province

Owari

Owari may refer to:* Owari Province* Owari Domain* Owari, more commonly spelled oware, a game* Owari Mandarin orange, a form of citrus fruit...

 to which they were governors during the Sengoku era. However, they were unable to make a transition to Sengoku-daimyo and lost Echizen to the Asakura in the 1470s at the beginning of the era for this reason. The lost -> succession process was enacted by Asakura Toshikage, who took their power via usurpation. By the year 1550 the Shiba were represented by Shiba Yoshimune

Shiba Yoshimune

was the final head of the Shiba clan and lived during the latter half of the Sengoku period of Feudal Japan. Nominally, Yoshimune was the governor of Owari province and resided at Kiyosu castle. Though he was governor the head of the Iwakura Oda clan of Owari and the deputy governor of Yoshimune,...

 of Owari province, a figurehead behind which the Iwakura branch of the Oda clan

Oda clan

The was a family of Japanese daimyo who were to become an important political force in the unification of Japan in the mid-16th century. Though they had the climax of their fame under Oda Nobunaga and fell from the spotlight soon after, several branches of the family would continue on as daimyo...

 had ruled. His domain was Kiyosu castle

Kiyosu Castle

is a castle that acted as a base of operations for Oda Nobunaga during the latter half of the Sengoku period of feudal Japan. It is located in the city of Kiyosu, Aichi Prefecture, Japan....

. When Yoshimune was killed in the year 1554 by Oda Nobutomo

Oda Nobutomo

was a Japanese warlord during the Sengoku period. He was head of the Iwakura Oda faction of the Oda clan, and ruled the four southern districts of Owari Province as shugodai...

the clan effectively came to an end.