The Machino family was derived from Yukiyori MACHINO, who was a senior vassal of the Gamo clan, and after the Gamo clan changed their territory, they still stayed in Aizu to serve Masayuki HOSHINA and then became the vessal of the Aizu-Matsudaira family.
町野家は蒲生氏の重臣だった町野幸仍を祖とし、蒲生家が転封になった後も会津にとどまり、保科正之に仕えてそのまま会津松平家の家臣となった。