秋篠宮眞子内親王の婚約内定者 小室圭さんの母(旧姓角田)の母方の祖父が韓国籍と判明。
>Another suggestion is that Komuro’s maternal grandfather was Korean.(SCMP 記事より抜粋)

Bad debts and Korean blood: Japanese tabloids in a frenzy after Princess Mako’s wedding postponed