Did Imam Hasan al Askari (as) die without fathering any children?

We have already established, based on the Qur’an and Sunnah, that there must be an Imam in every time. We have established, based upon the Sunni hadeeth literature, that there will be twelve such Imams (as) after the death of the Holy Prophet (s), and that the final Imam will be Imam al-Mahdi (as). As…