Complex sentence: His son Assaf Tarabay ruled Lajjun from 1571 to 1583, and during his reign, he extended his power and influence to the Sanjak Nablus.
Split into simpler sentences: His son Assaf Tarabay ruled Lajjun from 1571 to 1583. During his reign, he extended Tarabay power and influence to Sanjak Nablus.