One anecdote has it that he persuaded his mother, who was angry at his christening, to make her an assentor of Christianity (Luis FROIS "the History of Japan").
生母は受洗を怒ったものの、これを諭し逆にキリスト教の理解者にしてしまったという逸話が残る（ルイス・フロイス『日本史』）。