Even though there was no proof that he spent the beginning of his life as 'Umunosuke YUKI' in Mimawarigumi and Shinsengumi, it is certain that he spent the later years of his life as 'Munizo YUKI' performing Christian missionary works.
「結城有無之助」として見廻組・新選組を過ごした前半生は確証が無いとしても、「結城無二三」としてキリスト教伝道に生きた後半生は確たるものがある。