There was an anti-zuryo (provincial governor) conflict in Kozuke Province in February 915 caused by KAMITSUKENU no Motomune, Sadanami (貞並), FUJIWARA no Tsurae, with the title of Daijo, and they assassinated FUJIWARA no Atsunori, who was the Zuryo.
915年（延喜15）2月、上野国で上毛野（かみつけぬの）基宗、貞並らに大掾藤原連江（つらえ）らが加わる反受領闘争があり、受領藤原厚載（あつのり）が殺される。