Ibn Nama’ Al-Hilli, a great Shi’i scholar of the 6th and 7th centuries, composed his Muthir Al-Ahzan on the description of the events before and after the events of Karbala. As a reliable maqtal, Muthir al-Ahzan offers a detailed account of the martyrdom of nine members of Banu Hashim. Introducing the book and its author, this article offers a description on the martyrdom of the following members of the Banu Hashim: the brothers of Abbas, Ali al-Akbar, Qasim, Abdillah ibn al-Husayn, Abdillah ibn al-Hasan, Abbas, and Imam Husayn. Moreover, the description portrays some inaccuracies available in several accounts on the Battle of Karbala.