His oldest daughter, Masako Yi married to Yi Unn who was the last Prince of the Yi Dynasty Korea and succeeded to the Yi Imperial family, and she went to the Republic of Korea after the War and contributed to welfare work, etc.
長女の李方子は李氏朝鮮最後の皇太子で後に李王家を継承した李垠（イ・ウン）と結婚し、戦後は大韓民国に渡り、福祉事業などに尽くした。