Süleyman, the founder of the dynasty, was a member of the Seljuk dynasty.
His grand father was Seljuk Bey's elder son.
In 1077, after capturing Nicaea (modern İznik), Süleyman founded the Sultanate of Rum as a vassal of the main Seljuk Empire.
However, the Seljuks of Anatolia soon became independent of the main empire, and their state survived till the beginning of the 14th century.
[1][2] The colors of the boxes are as follows Seljuks of Anatolia : Great Seljuk: Non reigning members: