[1] Soon later Askar Khan Afshar arrived in Khoy, asking for Hosayn Qoli's help to invade Urmia and rescue his brother Mirza Abolhasan.

Meanwhile, Hosayn Qoli befriended Agha Mohammad Khan Qajar, receiving not only Khoy but Tabriz, Ardabil and other parts of Azerbaijan as governorate in 1791.

[2] However his marriage to Ibrahim Khalil Khan's daughter raised suspicion by Agha Mohammad, he was replaced by Jafar Qoli briefly.

Jafar Qoli attacked Sadiq Khan in 1798, defeated him, plundered Sarab and forced him to flee to Mughan.

During the Russian-Iranian war of 1804-1813, Jafar Quli Khan fought as a member of the Russian army and was awarded the Order of St. Anna, 1st degree.