On May 19, 1645 he was promoted to the rank of Junior Fourth Rank, Lower Grade when he visited Kyoto as vice-envoy to principle envoy Shegemune ITAKURA for the genpuku (celebration of the coming of age) of Ietsuna TOKUGAWA.
正保2年(1645年)5月19日、徳川家綱元服の謝使板倉重宗の副使として京都へ赴いた際に従四位下に昇進。