The aristocrats that have established the lineage (lineage of reputable families) of who becomes Tenso, Bugyo, and other practical positions in the court management system of the Imperial Court that had been worked on since the cloistered government of Gosaga, had already tied master-subordinate relationships with one of the Imperial lines.
後嵯峨院政以来整備されてきた朝廷の訴訟処理機構で伝奏や奉行などの役職に就き実務を担う家柄（名家の家柄）を確立させてきた貴族たちは、すでにいずれかの皇統に組織されてそれぞれ主従関係を結んでいた。