الكافي- ط الاسلامية, volume 1, page 325

3. Muhammad ibn Ja‘far al-Kufi has narrated from Muhammad ibn ‘Isa ibn ‘Ubayd from Muhammad ibn al-Husayn al-Wasiti who has said the following “I heard Ahmad ibn abu Khalid, stating that he (The Imam (a.s.) had appointed him as witness to bear testimony to this documented will in the following words. “Ahmad ibn abu Khalid, the slave of abu Ja‘far, bears testimony that abu Ja‘far, Muhammad ibn Ali ibn Musa ibn Ja‘far ibn Muhammad ibn Ali ibn al-Husayn ibn Ali ibn abu Talib (a.s.) is asked to bear testimony. Testimony to the fact that he has appointed his son, Ali, the executor of his directive wills about himself and bout his sisters. He has placed the affairs of Musa in his charge when he would attain maturity. He has appointed ‘Abdallah ibn al-Musawir as the over seer to his legacy, his estate, property, expenditures and slaves etc., until Ali ibn Muhammad will reach the age of maturity. At such time ‘Abdallah ibn al-Musawir will transfer the overseeing position to him (Ali ibn Muhammad (a.s.)). He thereafter will take charge of his own affairs and sister. The management of the affairs of Musa will also be left to him. Musa will take charge of his own affairs after the two (overseers) according to the conditions set forth by the father of the two of them in the matters his charitable charities. This has been documented on Sunday 3rd dhu al-Hijja, in the year two hundred twenty. Ahmad ibn abu Khalid has transcribed his own testimony with his own hand writing. He has asked al-Hassan ibn Muhammad ibn ‘Abdallah ibn al-Hassan ibn ali ibn al-Husayn ibn Ali ibn abu Talib (a.s.). He is also known as al-Jawani has a testimony just like the testimony of Ahmad ibn abu Khalid at the beginning of this document. He als has written his testimony with his own hand and the witness to bear testimony in the document is Nasr, the servant and he has written his bearing testimony with his own hand.”

Translation: Muhammad Sarwar·Thaqalayn link·The Arabic above is the original.

1. Ali ibn Muhammad has narrated from Muhammad ibn Ahmad al-Nahdi from Yahya ibn Yasar al-Qanbar who has said the following. “Abu al-Hassan (a.s.) prepared his directive will to his son, al-Hassan four months before his leaving this world. He appointed me to bear testimony to his will as well as a group of the follower friends.”

Translation: Muhammad Sarwar·Thaqalayn link·The Arabic above is the original.

2. Ali ibn Muhammad has narrated from Ja‘far ibn Muhammad al-Kufi from Bashshar ibn Ahmad al-Basri from Ali ibn ‘Umar al-Nawfali who has said the following. “Once I was with abu al-Hassan in the compound of his house and at that time his son, Muhammad passed by. I said to him, “may Allah take my souls in service for your cause, will he be our master, Imam, after you?” The Imam (a.s.) said, “ No, your master, Imam, after me will be al-Hassan (a.s.).” * This abu Ja‘far Muhammad ibn Ali, is the eldest son of the Imam al-Hadi (a.s.).He died before his father (230/845 - 252/866). His shrine is near Balad which is near Baghdad, and the place is now known as al-Sayyid Muhammad. In the following ahadith his name is frequently mentioned.

Translation: Muhammad Sarwar·Thaqalayn link·The Arabic above is the original.