Early modern daimyo adopted primogeniture without exception, and daimyo during the early modern era would often give part of their shoryo (territory) to children other than the heir and requested the bakufu (feudal government headed by a shogun) recognized their children as official daimyo.
近世大名は例外なく長子相続制をとるが、家を継がせない子に所領の一部を割いて与え、幕府に正式な大名として認めてもらうことは、近世初期にしばしば行なわれた。