It was entrusted by Shosaku INUZUKA, kinju (attendant) serving the kubo family, to his only son Bansaku at the time of the fall of Yuki-jo Castle, and Bansaku, on the verge of death, entrusted it to his son Shino INUZUKA and asked him to present it to Nariuji the Koga kubo.
結城落城の際、公方家の近習であった大塚匠作から一子・番作に託され、番作はその死に際して子の犬塚信乃にこの刀を滸我公方成氏に献上することを託した。