Complex sentence: Agha Mohammad Khan was born in around 1742 in Astarabad, he belonged to the Qoyunlu (also spelled Qawanlu) branch of the Qajar tribe.
Split into simpler sentences: Agha Mohammad Khan was born in around 1742 in Astarabad. He belonged to the Qoyunlu (also spelled Qawanlu) branch of the Qajar tribe.