During the political turmoil of August 18, which was a coup occurring in 1863, whereby seven nobles, namely Sanetomi SANJO (Seiga family), Suetomo SANJONISHI (Daijin family), Takauta SHIJO, Michitomi HIGASHIKUZE, Motoosa MIBU, Yorinori NISHIKINOKOJI, and Nobuyoshi SAWA, who supported the doctrine of restoring the emperor to power and expelling the barbarians, fell from power when defeated by supporters of the noble-samurai coalition from the Satsuma clan, Aizu clan, etc., and were banished from Kyoto and fled to Choshu Domain.
1863年（文久3年）に起こったクーデターである八月十八日の政変において、薩摩藩・会津藩などの公武合体派に敗れて失脚した尊皇攘夷派の公卿の三条実美（清華家）・三条西季知（大臣家）および四条隆謌・東久世通禧・壬生基修・錦小路頼徳・澤宣嘉ら7人が京都から追放され、長州藩へと逃れた。