The SHIONOYA family of the FUJIWARA family lasted for approximately 260 to 300 years, but on September 22, 1423, during the period of Noritsuna SHIONOYA, the family collaborated with Mochiuji ASHIKAGA, Kamakura Kubo, and raised a rebellion against the UTSUNOMIYA clan.
藤姓塩谷氏は、約260年～300年間に渡り続くが、応永30年（1423年）8月9日、塩谷教綱の時、鎌倉公方足利持氏と結び、宇都宮氏に謀反。