Yoshiari was known as a person of ability who was familiar with rites and government practices of the Imperial Court, after he was first given the rank of Jushii (Junior Fourth Rank) in 862, he gradually distinguished himself in the national political arena and supported his younger brother, Emperor Seiwa and the subsequent Emperor Yozei well.
能有は朝廷の儀礼や政務に通じた有能な人物として知られ、貞観4年(862年)に従四位に初叙任されると、以後徐々に中央官界において頭角を顕し、弟の清和天皇、それに続く陽成天皇の治世をよく輔けた。