Then, the following April, Teishi's brothers Naidaijin Korechika and Chunagon Takaie were demoted after their involvement in the The Chotoku Conspiracy, an attempted assasination by arrows of former EmperorKazan.
さらに、翌年4月には定子の兄・内大臣伊周、弟・中納言隆家らが花山天皇奉射事件を起こして左遷された。（長徳の変）