The influential courtiers from Emperor Bidatsu's reign, Mononobe no Moriya, also known as Mononobe Yuge no Moriya no Muraji or as Ō-muraji Yuge no Moriya, and Soga no Umako no Sukune, both remained in their positions during the reign of Emperor Yōmei.
The use of Chinese model of Imperial government ceased by the tenth century, overtaken by traditional Japanese clan and family rivalries (Soga-Mononobe, Taira-Minamoto).
Mononobe clan are descended directly from god of Nigihayahi-no-mikoto (Legend age) by his descendant Mononobe no Arakabi (Kofun period), Takaoka Sadamochi, descendant of Mononobe no Arakahi, is the first who took the name of Takaoka.