In December 1169, Uemonfu Masatomo, who was the mokudai (dispatched proxy) for FUJIWARA no Ienori, the Governor of Owari Province, was having problems with the jinin (a member of the temple staff) of Hiranosho, Mino Province.
嘉応元年（1169年）12月、尾張守・藤原家教の目代だった右衛門尉・政友が、延暦寺領である美濃国平野荘の神人と些細な問題で衝突した。