[1][2][3] Following the Kusuko Incident (薬子の変, Kusuko no hen) of 810, in which he was complicit, he was exiled to Dazaifu in modern Fukuoka Prefecture,[1][2][3] where he was made Deputy Governor of Dazaifu (太宰権帥, Dazai no gon no sochi).
[1][3] In 824, at the beginning of the Tenchō era, he received a pardon and was allowed return to the Capital.
[1][2][3] In 826, his sons Yukihira, Narihira-both prominent poets- Morihira (守平) and Nakahira (仲平) were given the surname Ariwara.
[1] Among his other children was the scholar and poet Ōe no Otondo (大江音人, 811–877).
[1] He died in the same year,[1][2][3] on the twenty-second day of the tenth month.