His adopted child, Motoo (Haku HATTORI) wrote in the epitaph that Nankaku hid his personal history from his family, and had not told even his birth date.
養子の元雄（服部白賁）は、南郭が家族に対しても自らの履歴を隠し誕生日さえ伝えてこなかったと墓誌銘に寄せている。