Since then, he got promoted quickly as the head of the Seiga family taking various positions such as Jiju (Imperial Household Agency staff), Sakonoe no shosho (Minor Captain of the Left Division of the Inner Palace Guards), and Sakonoe no chujo (Middle Captain of the Left Division of the Inner Palace Guards) and then, in 1735, he rose to the official rank of Jusanmi (Junior Third Rank) to rank with Kugyo.
以降清華家当主として速いスピードで累進し、侍従・左近衛少将・左近衛中将を経て、享保20年（1735年）従三位に昇り公卿に列する。