It is presumed that there is a connection between the origin of the sword and what is mentioned as the 'Ame no murakumo no mikoto' in the 'Owari Clan genealogy' and 'Tsumori Clan genealogy' in the "Sendai Kuji Hongi" (a historical Japanese text), as well as in the 'Amabe Clan genealogy.'
「海部氏系図」、『先代旧事本紀』の「尾張氏系図」、「津守氏古系図」等に載る「天村雲命」との関係も推測される。