Creation period: Appointment of Kawachi no kami (the governor of Kawachi Province) in the period of MINAMOTO no Yorinobu ~ Subjugation of Zen Kunen no Eki (Former Nine-Years' Campaign) in the period of MINAMOTO no Yoriyoshi.
創生期-源頼信時代の河内守に任官～源頼義時代の前九年の役平定