Complex sentence: In 1728, a Russian officer named Johann-Gustav Gärber described a group of Sunni Arab nomads who rented winter pastures near the Caspian shores of Mughan (in present-day Azerbaijan) and spoke a "mixed Turkic-Arabic language".
Split into simpler sentences: In 1728, a Russian officer named Johann-Gustav Gärber described a group of Sunni Arab nomads who rented winter pastures near the Caspian shores of Mughan (in present-day Azerbaijan). In his report, Gärber mentioned that the Arab nomads of Mughan spoke a "mixed Turkic-Arabic language".