Shamshi-Adad I
Shamshi-Adad I did not return until taking Ekallatum, pausing for some time, and then overthrowing King Erishum II of Assur (fl. c. 1815 BCE — c. 1809 BCE.) Shamshi-Adad I conquered Assur and emerged as the first Amorite king of Assyria (c. 1808 BCE.) Shamshi-Adad I attempted to legitimize his position on the Assyrian throne by claiming descent from Ushpia (a native Assyrian monarch who fl. c. 2050 BCE — c. 2030 BCE.) Although regarded as an Amorite by later Assyrian tradition, earlier archaeologists assumed that Shamshi-Adad I had indeed been a native Assyrian. Ushpia was the second last in the section of the AKL: