Complex sentence: In the 18th century, Hoti and Kelmendi assisted the Kuči and Vasojevići in the battles against the Ottomans; after that unsuccessful war, a part of the Klimenti fled their lands.
Split into simpler sentences: In the 18th century, the Hoti and Kelmendi clans assisted the Kuči and Vasojevići ones in the battles against the Ottoman Turks. After that unsuccessful war, a part of the Kelmendi clans fled their lands.