He was based in Kawachi County, Shimotsuke Province (present Tochigi Prefecture) and in the reigns from Emperor Tenmu to Empress Jito, he was involved in selection of Taiho Ritsuryo (Taiho Code) with FUJIWARA no Fuhito and granted Kuden fuko (rice fields given to those who did meritorious deeds for the state as a salary).
下野国河内郡(栃木県)を本拠地とし、天武天皇から持統天皇の時代には藤原不比等らとともに大宝律令の選定に関わり、功田封戸を下賜される。