[15] In the 11th century, the Seljuks migrated from their ancestral homelands into mainland Persia, in the province of Khurasan, where they encountered the Ghaznavids.
Seljuk's grandsons, Tughril and Chaghri, received the insignias of governor, grants of land, and were given the title of dehqan.
[16] At the Battle of Dandanaqan, they defeated a Ghaznavid army, and after a successful siege of Isfahan by Tughril in 1050/51,[17] established the Great Seljuk Empire.
Turkic custom called for the senior member of the family to be the Great Seljuk, although usually the position was associated with the ruler of western Persia.
or 1074 (before Sultan Shah) Muhammad abandoned Kerman, which fell into the hands of the Oghuz chief Malik Dinar.