Complex sentence: According to the agreement the Kelmendi would surrender fifteen of their members as slaves and pay a tribute of 1000 ducats to the Ottomans, however, as Arslan Pasha waited for the payment of the tribute the Kelmendi ambushed part of his troops and killed about thirty cavalrymen.
Split into simpler sentences: According to the agreement, the Kelmendi would surrender fifteen of their members as slaves, and pay a tribute of 1,000 ducats to the Ottomans. However, as Arslan Pasha waited for the payment of the tribute, the Kelmendi ambushed part of his troops and killed about thirty cavalrymen.