The house of minister was one of the kakaku (family status) of kuge (court noble) and it was kakaku after Sekke (line of regents and advisers) and the Seiga family (one of the highest court noble families in Japan at that time).
大臣家（だいじんけ）とは、公家の家格のひとつで、摂家、清華家に次ぐ家格。