When Qasim, the young son of Hazrat Musa ibn Jafar, saw Harun al-Rashid killing Shiites, he left Baghdad to go somewhere else. As he was going east by the Tigris, he heard the conversation of two teenage girls who were talking about Ghadir Day from one of the They asked what is meant by Ghadir Day. He answered that Hazrat Ali From this answer, he understood that they are Shiites. So he said take me to the head of the tribe. They said that the head of the tribe is our father and left. Qasim also went with them and became a guest of the tribe. They entertained him for three days and did not ask anything. This is the custom of hospitality. After three days, he went to the head of the tribe and asked for a job. They made him a water supply agent. One night, the head of the tribe came out for work in the middle of the night and saw a sad sound coming from the young man's room. He went forward and saw Qasim praying at night and crying. He fell in love with her and decided to make her his son-in-law. The next day, he invited him and discussed the matter with the tribe. Everyone agreed that this handsome and good-natured son-in-law should become the head of the tribe. The result of the marriage was a daughter. But when the girl was three years old, her father fell ill. The head of the tribe came to him and asked about the conditions and details. When he said that one of the children of Imam Musa Kazem is the head of Basharmandagi, he said, "Why didn't I understand earlier and I asked you for help?" Now say whatever you want. He said I will die soon. If it fell to the Medina settlers. My mother lives there. hand over my wife and daughter to him.. They agreed and took the little girl and her mother with them on the trip to Mecca. Qasim had said to leave the little girl in the city first, she will find the address by God's permission. It happened the same way and it showed that even the type of imams have dignity. Therefore, he and his mother were handed over to his grandmother. Ahmad Mahini, the US presidential candidate, says that there are 11,000 imamzadeh identified in Iran in Iraq, Syria, Saudi Arabia, and other places, so there is a rich source for books and movies up to 30,000 episodes.