Background
His mother was a daughter of Fujiwara no Tokihira.
源 雅信
His mother was a daughter of Fujiwara no Tokihira.
He became Sadaijin in 978. Michinaga came into Masazane"s residence Tsuchimikado-dono (土御門殿). He is the progenitor of the Uda Genji (宇多源氏).
Tokinaka (時中) (943–1002) - first son, progenitor of Niwata family and Ayanokōji family
Sukenori (扶義) (951–998) - fourth son, progenitor of Sasaki clan
Michinori (通義)
Tomimichi (時通)
Tokinobu (時叙) - priest (Jakugen, 寂源)
Naritoki (済時)
Saijin (済信) (954–1030) - priest
Rinshi (倫子) (964–1053) - married to Fujiwara no Michinaga
daughter - married to Imperial Prince Munehira (son of Emperor Murakami)
daughter - married to Fujiwara no Sadatoki
daughter (died 1000) - married to Fujiwara no Michitsuna.