It is believed that Uchimaro played a central role in the new government as the leader who represented the local rulers, by marrying off his daughter Otarashihime to Emperor Kotoku (as Princess) who gave birth to Prince Arima.
内麻呂は豪族を代表する重鎮として、また孝徳天皇の妃として娘の小足媛を入れ有間皇子を生んでいることから新政権の中枢に入れられたと考えられる。