What episode did Princess Huaiyu's grandparents and Ayagege come from?

Grandmother Zu was 4 1 and was chased by the Queen Mother. She unexpectedly fled to the forbidden area in the palace, met the Queen Mother Xiaozhuang and became friends with her. Aya is episode 84, seeing Huai Yu and her father Prince Sa. Huai Yu, who felt sad and guilty about his brother's death, tried to die in the crowd. He was rescued by the Prince, three daughters and father, and was killed in the inn, which shocked the court and attracted the emperor. Prince Sa's father and daughter followed the emperor.