When the Edo bakufu (Japanese feudal government headed by a shogun) started the Choshu Conquest, he went overseas to the Kyushu region (the Fukuoka domain) with Sanjo and others, and escaped to Dazaifu (Government Headquarters in Kyushu).
江戸幕府による長州征討の際には、三条らとともに九州（福岡藩）へ渡海し、太宰府に逃れる。