[2] Established in 1389 by the Hongwu Emperor, it was based on previous institutions like the "Court of the Imperial Clan" (宗正寺, Zōngzhèng Sì) of the Tang and Song dynasties and the "Office of the Imperial Clan" (太宗正院, Tài Zōngzhèng Yuàn) of the Yuan dynasty.

[3] Under the Ming dynasty, the Court was managed by the Ministry of Rites; during the Qing, it was outside the regular bureaucracy.

[5] Imperial clansmen who committed crimes were not tried through the regular legal system.

[7] The Court used regular reports on births, marriages, and deaths to compile the genealogy of the imperial clan (玉牒, Yùdié).

[8] The imperial genealogy was revised 28 times during the Qing dynasty.