Ōkuma Shigenobu
Le Gendre remained in Japan until 1890, working in a private capacity as an advisor to Ōkuma Shigenobu. In March 1890 he left Japan to become an adviser to King Gojong of Korea. He remained in the Korean court until his death of apoplexy in Seoul on September 1, 1899. He was buried in the Yanghwajin Foreigners' Cemetery in Seoul.