Al Istiab
Yusuf ibn Abdallah ibn Mohammed ibn Abd al-Barr, Abu Umar al-Namari al-Andalusi al-Qurtubi al-Maliki, commonly known as Ibn Abd-al-Barr (Arabic: ابن عبدالبر) was an eleventh-century Maliki judge and scholar in Lisbon. He died in December 2, 1071 (aged 93).
Ibn Abd al-Barr was born in 978 and died in 1071 in Xàtiva in Al-Andalus.
While initially having been an adherent of the Zahirite school of Muslim jurisprudence, Ibn Abd al-Barr later switched to the Malikite rite, which was the officially recognized legal code of the Umayyad dynasty, under which he lived. His book on the three great Sunni jurists Malik ibn Anas, Al-Shafi'i and Abu Hanifa noticeably excluded both his former patron Dawud al-Zahiri and Ahmad ibn Hanbal.
Some of his works include:
...
Wikipedia