11th century in Iraq

Abbasid Caliph in Baghdad from 1031 to 1075

'''Abu'l-Abbas Ahmad ibn Ishaq (; 28 September 947 – 29 November 1031), better known by his regnal name al-Qadir''' (, , ), was the Abbasid caliph in Baghdad from 991 to 1031.

'''Abū'l-Qasim ʿAbd Allāh ibn Muhammad ibn al-Qa'im (Arabic: أبو القاسم عبد الله بن محمد بن القائم) better known by his regnal name al-Muqtadi''' (Arabic: المقتدي 'the follower'; 1056 – February 1094) was the Abbasid caliph in Baghdad from 1075 to 1094. He succeeded his grandfather caliph al-Qa'im in 1075 as the twenty-seventh Abbasid caliph.

Baghdad based Islamic theologian (1040–1119)

11th-century Abbasid prince and Heir-apparent