Although she had a daughter, Imperial Princess Kinshi, she did not have a son so she adopted Inshi's son, Imperial Prince Atsugimi, who later became Emperor Daigo.
一人娘均子内親王を産んだものの皇子には恵まれなかったため、胤子没後にその所生の東宮敦仁親王（のちの醍醐天皇）を猶子とした。