Complex sentence: Originally, their ancestors were expelled from Umm Qasr in central Arabia by the Ottomans due to their predatory habits of preying on caravans in Basra and trading ships in Shatt al-Arab waterway until Turks expelled them to Kuwait in 1716 where they remained until 1766.
Split into simpler sentences: Originally, their ancestors were expelled from Umm Qasr in central Arabia by the Ottomans due to their predatory habits of preying on caravans in Basra and trading ships in the Shatt al-Arab waterway. The Turks exiled them to Kuwait in 1716 where they remained until 1766.