Also, they played a significant role as warriors in the Seljuk army during the latter's conquest of Iran and Anatolia.
They lived under the leadership of Salim Beg Doger in the territory of the present-day Syria, and their beylik (principality) was constantly attacked by the Kara Koyunlu and Mamluks.
However, by 1415 they had lost control over many of their former centers at Diyar Mudar, over the Arab tribes of Syria, and over Ak Koyunlu in Diyarbakir.
After the death of Kara Usman in 1435, the Mamluk sultan Al-Ashraf Barsbay ordered the Dogers to attack Ak-Koyunlu near Amid; their victory over the Turkoman Confederation, however, marked their last emergence as a real political force in the region.
Their aimaks dwelled mostly in Aleppo, Dimashq, Urfa, Boz Ulus, Kirkuk and Kozan.