In addition, the end of Heian period was still in the developmental period, and brothers cultivated their own territories and created new myoden (rice field lots in charge of a nominal holder) in the Kokugaryo became equal to Kokuga.
また、平安時代末期はまだ開発の時代であり、兄弟がそれぞれの地で開拓を進め、国衙領において新たに名田を形つくる場合には、国衙との関係においては対等になる。