Its most famous military success came  when Romanus IV Diogenes was captured by Alp Arslan at Manzikert.
Inexperienced members of this dynasty were aided by the "Book of Government." Forces of this dynasty put down Baba Ishak's movement with the help of Frankish mercenaries. This dynasty's founder defeated Al-Malik Al-Rahim, the last ruler of the Buyid dynasty. This dynasty's generals Chagri and Tughrul defeated the Ghaznavids at the Battle of Dandanaqan.The vizier Nizam al Mulk served members of this dynasty, and al Mulk's death at the hands of the Assassins may have been ordered by this dynasty's sultan Malik Shah I. A governor appointed by this dynasty, Zengi, created his own dynasty by reconquering lands from crusaders, and during the First Crusade this empire lost Nicaea and Antioch. Its most famous military success came  when Romanus IV Diogenes was captured by Alp Arslan at Manzikert. For 10 points, name this dynasty founded in 1037 in Anatolia.
Inexperienced members of this dynasty were aided by the "Book of Government.
Seljuk Empire