Fujiwara no Mototsune
Fujiwara no Mototsune (836–891) was the dominant statesman of the early Heian court. Third son of Fujiwara no Nagara, he was adopted by his uncle, the regent Fujiwara no Yoshifusa, becoming minister of the right in 872 and regent in 876.
After Emperor Yozei's abdication in 884 he exercised the powers later associated with the kampaku under Emperor Koko; the term appeared in an imperial edict under Emperor Uda in 887. He died in 891.