Al-Bā'ūnī is an Arabic family name most famously denoting the prominent dynasty of scholars and jurists descending from Nāṣir b. Khalīfa b. Faradj al-Nāṣirī al-Bā'unī al-Shāfi'ī, who began life as a weaver in the village of Bā'ūn in Hauran. Leaving around 750/1349 for Nazareth, Nāṣir had the following prominent descendants before the dynasty disappears from the historical record:Nāṣir Ismā'īl Aḥmad. He 'was at various times the Friday preacher at the al-Aqṣá Mosque in Jerusalem, the Friday preacher at the Umayyad Mosque in Damascus, the Shafi‘i judge of Damascus and, for two months, of Egypt, as well'. Aḥmad became shaykh al-shuyūkh under Sultan Barqūq, 'but he fell from royal grace for refusing to lend the sultan funds from religious endowments. Aḥmad wrote a commentary on the Quran and a poem on proper religious belief, and was considered an excellent preacher'. Ibrāhīm. 'His fine literary abilities won him the title "Master of Literature in the Land of Syria".' Muḥammad Yūsuf Yusuf had at least five sons. His most prominent children were: 'A'isha Aḥmad Muḥammad