Nagayasu OKUBO, who used to be a vassals of Takeda family and then daikangashira (the head of feudal government) of the Edo bakufu (Japanese feudal government headed by a shogun), is said to have helped Shinshoni including building a thatched hut for her.
武田家臣であり、当時は江戸幕府代官頭の大久保長安は、信松尼のために草庵を作るなど支援をしたという。