It is narrated from Asim bin Bahdalah that he said: People were gathered with al-Hajjaj (bin Yusuf), and he brought up Sayyiduna Husayn bin Ali (may Allah be pleased with them both) and said: He was not of the progeny (offspring) of the Prophet (peace and blessings be upon him). Yahya bin Ya'mar was present there at that time, and he said: O Amir, you have lied. Al-Hajjaj said (in anger): Bring clear proof and confirmation from the Book of Allah, the Mighty and Majestic, for what you have said, or else I will kill you. He recited these verses: "And of his progeny are Dawud, Sulayman, Ayyub, Yusuf and Musa" until he reached the words of Allah, the Mighty and Majestic: "and Zakariyya, Yahya and Isa" [Surah al-An'am: 84-85] . (And he argued that) Allah, the Mighty and Majestic, has informed us that Isa (peace be upon him) is of the progeny of Adam through his mother; likewise Husayn bin Ali (may Allah be pleased with them both) is of the progeny of Muhammad (peace and blessings be upon him) through his mother. Al-Hajjaj said: You have spoken the truth, but what drove you to call me a liar in my gathering? He replied: The covenant that Allah Almighty took from the prophets, that they would make it clear to the people and never conceal it, as Allah, the Mighty and Majestic, says: "But they threw it behind their backs and exchanged it for a small price" [Surah Al Imran: 187] . The narrator said: Then al-Hajjaj exiled him to Khurasan.