ALP ARSLAN, or [[Axan, Mahommed Ben Da'Ud]] (1029-1072), the second sultan of the dynasty of Seljuk, in Persia, and great-grandson of Seljuk, the founder of the dynasty, was born in the year A.D.
He succeeded his father Da'ud as ruler of Khorasan in 1059, and his uncle Togrul Bey as sultan of Oran in 1063, and thus became sole monarch of Persia from the river Oxus to the Tigris.
In Medina and Mecca Da`ud b.
Ali, Syria; to his uncle Da`ud, Hejaz, Yemen and Yamama (Yemama); to his cousin `Isa b.
Khozaima in Mesopotamia, and by Abu Da`ud, the governor of Khorasan in the east.
Da'ud, who, having insinuated himself into the confidence of the caliph, especially by discovering the hiding places of certain Alids, was afterwards (in 778) made prime minister.
- As Wathiq had appointed no successor the vizier Mahommed Zayyat had cast his eye on his son Mahommed, who was still a child, but the generals Wasif and Itakh, seconded by the upper cadi Ibn abi Da`ud, refused their consent, and offered the supreme power to Wathiq's brother Ja`far, who at his installation adopted the name of al-Motawakkil `ala 'llah (" he who trusts in God").
The upper cadi Ibn abi Da`ud, the leader of the movement against orthodoxy, who had stood in great esteem with Mamun and had fulfilled his high office under the reigns of Motasim and Wathiq, had a stroke of paralysis in the year 848.