Michina's first son succeeded the Hirohata family which was also the Seiga family (one of the highest court noble families in Japan at that time) while his second son went to Tokyo to serve bakufu (Japanese feudal government headed by a shogun) and was raised to Koke-Hatamoto (direct retainers of the bakufu, who were in a privileged family under Tokugawa Shogunate).
通名の長男は同じ清華家の広幡家を継ぎ、次男は江戸へ下って幕府に仕え、高家旗本に列している。