His father was Bingo no jo (an officer in Bingo) ONAKATOMI no Sukemichi, and his child ONAKATOMI no Yoshinobu was one of the Nashitsubo no Gonin (Five Gentlemen of the Pear Chamber).
父は備後掾大中臣輔道で、子に梨壺の五人の一人大中臣能宣がいる。