In 822, when TACHIBANA no Tsunenushi (Naramaro's grandson) was appointed Kugyo out of the Tachibana clan for the first time in 70 years, and subsequently, an imperial prince born was from Kachiko ascended to the Imperial throne as the Emperor Ninmyo, Kachiko's older brother, TACHIBANA no Ujikimi achieved a remarkable promotion as her maternal relative, and in 844, he ascended through the ranks to become Udaijin (Minister of the Right).
弘仁13年（822年）に橘常主（奈良麻呂孫）が約70年ぶりの橘氏公卿となり、さらに嘉智子出生の皇子が仁明天皇として即位すると、嘉智子の兄橘氏公が外戚として目覚ましい昇進をとげ、承和(日本)11年（844年）には右大臣に至った。