The main Inbe family claimed its ancestor was Amatatama-no-mikoto, who appeared in the Amano-Iwato myth of the Chronicles.

However, starting around the Nara period, the Nakatomi clan grew in power, and overwhelmed the Inbe position.

In the Kojiki and the Nihon Shoki, it is written that Amenotama-no-mikoto and Amenokoya-no-mikoto were involved in rituals in the myth of Amano-Iwato.

The clan started off as low class but gained power due to religious reasons.

[7] During the reign of Emperor Kōtoku, the Inbe, along with the Nakatomi and Urabe clans, were tasked with supervising Jingikan.

[8] In the year 927 CE, members of the clan lost their long-standing right to present asa cloth for use in the imperial rituals.