At the occasion of of the Shishigatani Conspiracy, as FUJIWARA no Naritsune, who was Norimori's son-in-law was implicated in the plot, Norimori made efforts to petition the court for mercy.
鹿ケ谷の陰謀事件では娘婿の藤原成経が罪に問われたため、その赦免に奔走した。