Complex sentence: The use of the title continued during the reigns of Atal-Shen's successors, Tupkish and Tish-Atal, who ruled only in Urkesh, while the Akkadians under Naram-Sin incorporated Nagar firmly into their empire.
Split into simpler sentences: The use of the title continued during the reigns of Atal-Shen's successors, Tupkish and Tish-Atal, who ruled only in Urkesh. The Akkadians under Naram-Sin incorporated Nagar firmly into their empire.