Shu-Sin in Wikipedia
Shu-sin was king of Sumer and Akkad, and was the penultimate king of the Ur III dynasty. He succeeded his brother Amar-Sin, and reigned circa 1972-1964 BC. (short chronology)
Following an open revolt of his Amorite subjects, he directed the construction of a fortified wall between the Euphrates and the Tigris rivers, intending it to hold off any further Amorite attacks. He was succeeded by his son Ibbi-Sin.
 See also