In 1770, the sixth generation Naomasu bought a stock for the title of Goshi and appointed his first son Naomi to become the first generation of goshi SAKAMOTO family, at which point the family reached the social status of Myoji-taito, i.e., to have an accredited family name and as a representation of this status carry two swords.
明和7年（1770年）6代目直益は郷士の株を買い長男・直海を郷士坂本家の初代とし、名字帯刀、すなわち公認の名字を名乗り身分表象として二本差す身分にたどりついた。