Up to the time of the fourth family head Sanemi OGIMACHISANJO, as Dainagon (chief councilor of state) was the highest court rank or government post available, the OGIMACHISANJO family, having become the maternal relative of the Emperor, with FUJIWARA no Hideko (Yorokumon-in), who was the daughter of the fifth family head Kinhide OGIMACHISANJO and Naishi no suke (a court lady of the first rank) to Emperor Kogen of the Northern Court producing Emperor Suko and Emperor Gokogon, was made the house of minister.
4代目正親町三条実躬までは大納言が極位極官であったが、5代目正親町三条公秀の娘で北朝光厳天皇の典侍であった藤原秀子（陽禄門院）が、崇光天皇、後光厳天皇を産み、天皇の外戚になったため、大臣家となった。