It was also classified in 65 kyuke (literally, old families) whch had been formed by the Tensho era (1573-1591), during the Azuchi-Momoyama Period, and shinke (literally, new family) which was established after that.
また、安土桃山時代の天正年間（1573-1591）迄に成立していた65家を旧家、それ以降新規に設立された家を新家と区分している。