Mu'ayyid al-Mulk was a Persian bureaucrat, who served as the vizier of the Seljuk sultan Berkyaruq from 1094 to 1095, and later vizier of the Seljuk prince and contender Muhammad I Tapar from 1099 to 1101.
12 Facts About Mu'ayyid al-Mulk
1.
2.
Mu'ayyid al-Mulk was the most energetic and gifted of the sons of Nizam al-Mulk, with whom he neared in capability.
3.
Mu'ayyid al-Mulk spent the first ten years of Malik-Shah I's reign in Baghdad and Jazira, where he was the deputy of his father and the sultan in almost the same manner as that of a viceroy.
4.
Mu'ayyid al-Mulk, who was in the city at the time, quelled the riots with the help of the amid and the prefect.
5.
Mu'ayyid al-Mulk subsequently went to Iraq, where he served as a diplomat.
6.
Mu'ayyid al-Mulk was in Khurasan at the end of 1094, but fled to the capital Isfahan to join Berkyaruq, who appointed him as his vizier.
7.
Mu'ayyid al-Mulk convinced or bribed the leading figures of Iraq and Khurasan who had joined Tutush I to return to the allegiance of Berkyaruq.
8.
Mu'ayyid al-Mulk played a key-role in the defeat of Tutush in 1095, at Dashilu, near Ray.
9.
Mu'ayyid al-Mulk had alienated Berkyaruq's mother Zubayda Khatun, who held great influence over her son.
10.
Mu'ayyid al-Mulk soon entered into the service of Berkyaruq's half-brother Muhammad I Tapar, who appointed him as his vizier.
11.
Mu'ayyid al-Mulk made use of his newfound position to exact vengeance on his rivals, which was made easier because Muhammad had yet to reach adulthood.
12.
In 1101, Muhammad's forces were defeated in a battle near Hamadan, which resulted in the capture of Mu'ayyid al-Mulk, who was taken to Berkyaruq, who had him personally killed.