Since then, he got promoted quickly as the head of the Seiga family taking various positions such as Jiju (Imperial Household Agency staff) and Sakonoe no shosho (Minor Captain of the Left Division of the Inner Palace Guards), and then, in 1792, he received the official rank of Jusanmi (Junior Third Rank) to rank with Kugyo.
以降清華家当主として早いスピードで出世し、侍従・左近衛少将を経て、寛政4年（1792年）に従三位となり公卿に列する。