5. Muhammad ibn Yahya has narrated from Muhammad ibn al-Husayn from ibn abu Najran from ‘Isa ibn ‘Abdallah ibn ‘Umar ibn Ali ibn abu Talib who has said that he asked abu ‘Abdallah the following.

“Would there happen what is to happen, may Allah would not show me such a day (death of the Imam who then must I follow as my Imam?” The Imam pointed to his son Musa . The narrator has said that he asked the Imams , “ What if something will happen to Musa who then must I follow?” The Imam , “Follow a son.” I then asked, “What if something would happen to the son and the Imam would leave behind an elder brother or a small son then who must I follow?” The Imam said, “Follow his son and so on one after the other.” In the script of Sawan it says, “. .and so on forever.”