, third son of Matsudono Motofusa, was a kugyà  (high-ranking Japanese official) from the late Heian period to the early Kamakura period. Regent Fujiwara no Tadataka and Buddhist monks Gyà Âi and are his stepbrothers. His mother was Tadako , a daughter of Kasan Tadamasa and one of his sisters was Ishi, mother of Dà Âgen; shortly after Minamoto no Michitomo, Dà Âgen's father, died, Moroie adopted his three year old nephew until Dà Âgen ran away to his uncle Ryà Âkan, a monk living at the foot of Mount Hiei.
Though he was not first-born, in 1179, the year his father became a monk, at age eight he was promoted to chà «nagon, one of Daijà Â-kan due to the political tension between Emperor Go-Shirakawa and Taira no Kiyomori. However, this caused backlash from Kiyomori, leading to the Jisho coup in the same year.
When he was thirteen, Moroie was made naidaijin by Kiso Yoshinaka.
In 1232, he ordained as a Buddhist monk and took the Dharma name Daishin (大å¿Â).