Az-Zahir

Abū Nasr Muhammad ibn al-Nāsir (; 1175 – 11 July 1226), better known with his regnal name al-Ẓāhir bi-Amr Allāh (, ), was the Abbasid caliph in Baghdad from 1225 to 1226. He succeeded his father al-Nasir in the year 1225 as the thirty-fifth Abbasid Caliph.

Biography Al-Zahir bi-Amr Allah was the son of al-Nasir and Asma Umm Muhammad. His full name was Muhammad ibn Ahmad al-Nāsir and his Kunya was Abu Nasr. He was named as successor in 1189. In his short reign, he lowered the taxes, and built a strong army to resist invasions. He died on 10 July 1226, nine months after his accession.

Family One of al-Zahir's concubines was Hayat Khatun. She was of Turkish origin, a favored and trusted concubine, and the mother of one of his sons. She was manumitted upon his death and became a free woman. She died on 16 August 1241, and was buried in the mausoleum of the caliph al-Mustadi. Another of his concubines was Bab Jawhar. She was a Turkish slave who was also a favorite of al-Zahir. She died on 1 August 1241, and was buried near the caliphal tombs in the Rusafah Cemetery. Al-Zahir's other notable son was Abu al-Qasim Ahmad.

Succession Al-Zahir was succeeded by al-Mustansir bi-llah.