The family concurrently served Konoe Taisho general and was thus promoted to grand minister of state (however, since the requirement for taking the position of grand minister of state in the Edo period was the person who had served as regent or chief advisor to the Emperor, the highest official rank the Seiga family could attain was that of minister of the left).
近衛大将・大臣を兼任し、最高は太政大臣まで昇進できる家（ただし、江戸時代には太政大臣の就任要件として摂政・関白経験者に限られたために、清華家は左大臣が事実上の極官となる）。