What is "danishmends"

Danishmend dynasty or Danishmendid was a Turkish dynasty that ruled in north-central and eastern Anatolia in the 11th and 12th centuries. The dynasty centered originally around Sivas, Tokat, and Niksar in central-northeastern Anatolia, they extended as far west as Ankara and Kastamonu for a time, and as far south as Malatya, which they captured in 1103. In early 12th century, Danishmends were rivals of the Seljuk Sultanate of Rum, which controlled much of the territory surrounding the Danishmend lands, and they fought extensively with the Crusaders.