[1] The Kurdish principalities were almost always divided and entered into rivalries against each other.
[1] The demarcation of borders between the Safavid Shah Safi and the Ottoman caliph Sultan Murad IV in 1639 effectively divided Kurdistan between the two empires.
[1] The eyalet of Diyarbakir was the center of the major and minor Kurdish chiefdoms.
[2][3] The Ottomans gave the Kurds self-rule during the Ottoman-Persian wars, to ensure that the Kurds remain on the Ottoman side.
After the Treaty of Erzurum in 1823 the Persian threat was reduced & the Ottomans brought the Kurdish chiefdoms under direct control.