Okagami (The Great Mirror) described that Saneyori wrote a poem in grief when he knew that a horse having been presented to Atsutoshi by Togoku (the eastern part of Japan, particularly Kanto region) arrived after his death.
死後東国より敦敏のために献上された馬が届き、それを知った実頼が悲嘆の歌を詠んだことが大鏡で語られている。