Thus, when MINAMOTO no Yorimasa of Settsu-Genji (Minamoto clan), who had become a tributary of the Minamoto clan at that time, became the first from the Minamoto clan to be promoted to Jusanmi, after the Taira family were granted Sanmi and higher ranks, it was considered exceptional and was referred to as Genzanmi.
このため、平家一門が三位以上に列せられたのに続いて、当時、源氏の傍流となっていた摂津源氏の源頼政が、源氏として初めて従三位に昇った際には、異例とされ、世に源三位（げんざんみ）と称された。