Etana

…find one and apparently chose Etana, who proved to be an able ruler until he discovered that his wife, though pregnant, was unable to give birth, and thus he had no heir to the throne. The one known remedy was the birth plant, which Etana was required to bring down…

…unite the separate city-states was Etana, ruler of Kish (c. 2800 bce). Thereafter, Kish, Erech, Ur, and Lagash vied for ascendancy for hundreds of years, rendering Sumer vulnerable to external conquerors, first the Elamites (c. 2530–2450 bce) and later the Akkadians, led by their king Sargon (reigned 2334–2279 bce). Although…