Ibn Khaldun | Ibn Battuta | Husayn ibn Ali | Hasan ibn Ali | Ibn Hisham | Jābir ibn Hayyān | Ibn Ezra | Abraham ibn Ezra | Tariq ibn Ziyad | Ibn Battuta Mall | Ibn Arabi | Solomon ibn Gabirol | Ibn Saud | Ibn Hawqal | Ibn Ezra (disambiguation) | Abu Sufyan ibn Harb | Yusuf ibn Tashfin | Qazan Khan ibn Yasaur | Muhammad ibn Jarir al-Tabari | Imam Muhammad ibn Saud Islamic University | Ibn Khordadbeh | Ibn Abi Zar | Hisham ibn Abd al-Malik | Amrus ibn Yusuf | Akhnas ibn Shariq | Abu'l-Fazl ibn Mubarak | Abd al-Aziz ibn Musa | Zayyan ibn Mardanish | Ubayda ibn as-Samit | Sulayman ibn Abd al-Malik |
After one Vazir had been imprisoned by his enemies, and another had defected in disgrace, ar-Radi, being without resources, fell into the hands of an able but cruel, de facto ruling Minister, Ibn Raik, for whom he created the post of amir al-umara 'Amir of the Amirs', who held so absolutely the reins of government that his name was conjoined with the Caliph's in the public prayers.