Ibn 'Abd al-Barr

Yusuf ibn 'Abd Allah Ibn 'Abd al-Barr, also known by the nickname Abu 'Umar, was a male scholar born in Córdoba in 978. He practiced Islam and worked as a muhaddith, qadi, historian, and ulema. His fields of work included the science of hadith, genealogy, history of Islam, and fiqh. He wrote in Arabic and was influenced by Malik ibn Anas, Dawud al-Zahiri, and Al-Shafi'i.

He authored notable works such as al-Istī'āb fī ma'rifat al-aṣḥāb and al-Intiqāʾ fī faḍāʾil al-thalāthah al-aʾimmah al-fuqahāʾ. Other writings include Fihris muʻjam al-Ṭabarānī al-ṣaghīr, al-Anbāh ʻalá qabāʾil al-ruwāt, and al-Qaṣd sa-al-umam fī al-taʻrīf bi-uṣūl ansāb al-ʻArab wa-al-ʻajam wa-awwal man takallam bi-al-ʻArabīyah min al-umam. He died in Xàtiva in 1071.