伊豆国
In the year 740, after the death of their father Umakai in 737, Sukunamaro's brother Fujiwara no Hirotsugu led a rebellion. Sukunamaro was implicated and exiled to Izu Province. In 742 he was forgiven, and appointed to the position of "shō-hanji". In 746, he was promoted from to under the court rank system.