Khosrau Khan followed his father Amanollah Khan I. but died young when poisoned by the orders of his father-in-law Fath Ali Shah Qajar. His two sons struggled for power over their father's domains, fought against each other and a civil war broke out until Nasser al-Din Shah Qajar deposed Reza Qoli Khan and terminated the Ardalan rule after Amanollah Khan's II. death.
