Among kazoku, there were only three branch families, which were conferred Shishaku as the exception, including the Hidemaro KONOE family (a branch family of the Koshaku (公爵) Konoe family), the Takesada TOKUGAWA family (called "the Matsudo-Tokugawa family," a branch family of the Koshaku (侯爵) Mito-Tokugawa family), and the Yoshitami MATSUDAIRA family (a branch family of the Koshaku (侯爵) Fukui-Matsudaira family.
子爵を与えられた分家華族としては、近衛秀麿家（公爵近衛家の分家）、徳川武定家（侯爵水戸徳川家の分家（松戸徳川家））、松平慶民（侯爵福井松平家の分家）の3家。