Sunan al-Shafi'i

Umar bin Ubaidullah, may Allah have mercy on him, intended to marry his son Talha bin Umar, may Allah have mercy on him, to the daughter of Shaibah bin Jubair, may Allah have mercy on him, while both were in the state of ihram. So Umar, may Allah have mercy on him, sent an invitation to Aban bin Uthman, may Allah have mercy on him, the Amir of Hajj. He rebuked Umar, may Allah have mercy on him, for this intention and said: I heard Sayyiduna Uthman bin Affan, may Allah be pleased with him, say that the Messenger of Allah ﷺ said: "A person in ihram should neither marry himself nor arrange the marriage of another while in the state of ihram." Imam Shafi’i, may Allah have mercy on him, says that the hadith of Uthman, may Allah be pleased with him, has a connected chain: that a person in ihram should neither marry nor arrange a marriage while in ihram. And the marriage of the Messenger of Allah ﷺ to Maymunah, may Allah be pleased with her, took place after Hudaybiyyah, and the marriage was during the Umrah of Qada, because Sayyiduna Uthman, may Allah be pleased with him, was with the Prophet ﷺ on those journeys. He was sent as an envoy to Makkah, and the incident of Bay'at al-Ridwan occurred. So Uthman’s, may Allah be pleased with him, narration of the hadith about the marriage of a person in ihram is also his own observation, as I have mentioned. If an objector says that a relative of the woman (i.e., Ibn Abbas, may Allah be pleased with them both) would know better whether the marriage took place in the state of ihram or not, then the answer is that Lady Maymunah’s, may Allah be pleased with her, freed slave Sulaiman bin Yasar, may Allah have mercy on him, says that the marriage took place after ihram was ended, and Maymunah’s, may Allah be pleased with her, nephew Yazid bin Asam, may Allah have mercy on him, says that at that time the Prophet ﷺ was not in ihram. If the hadith of Uthman, may Allah be pleased with him, is also considered along with this, then the matter becomes clear.