Especially in the society of nobles, the genealogy of the maternal line was a criterion of prosperity of the family and promotions; and the ones whose mothers were Naishino were described as Mikobara (children by Himemiko) and regarded as the children of noble birth, along with Kisaibara (children by empress).
特に貴族の社会では、母系の血筋も家門繁栄や昇進の目安であり、内親王を母に持つ者は、皇女腹（みこばら）といわれ、皇后を母とするという意味である后腹（きさいばら）と並び、尊い生まれとされた。