Unlike the kabane of Omi that were mostly the influential ruling clans in the capital, the clans with the kabane of Muraji were directly connected to the posts of the Imperial Court and it is said that the Otomo and the Mononobe clans were those who were in charge of the military affairs for the Yamato sovereignty from ancient times.
中央の有力豪族が中心である臣に対して連の姓を名乗る氏族は、朝廷の役職と直結しており、大伴氏も物部氏も古来からヤマト王権の軍事を束ねる役割をしていた氏族だと言われている。