Except for following two examples, two illegitimate children of Kitashirakawanomiya Imperial Prince Yoshihisa, who were common subjects, became nobility on July 1, 1897, (Count Yoshiyuki FUTARA and Count Masao UENO) however, this was not considered as a demotion from nobility to subject, since their rank had been subject.
下記2例以外にも、臣籍にあった北白川宮能久親王庶子2名が、明治30年（1897年）7月1日に華族に列している（二荒芳之伯爵と上野正雄伯爵）が、当初から臣籍にあったので「臣籍降下」には当らない。