Eight years after his death, NANIWA no Tsunefusa was believed to have been killed by lightening at the Nonobiki Waterfall in Settsu Province, where he accompanied Kiyomori and was hit by a sudden thunder storm.
それから8年後、難波経房は清盛のお伴をして摂津国布引の滝を見物に行った時、にわかに雷雨となり、雷に打たれて死んだという。