This man's son lost his Persian Gulf holdings when
This man's son lost his Persian Gulf holdings when Ilumailu founded the First Sea-Land Dynasty.  This father of Shamshuiluna defeated Zimrilim in order to destroy Mari, and he ruled during the time when the Akkadian language displaced the Sumerian and worship of Enlil was replaced with worship of Marduk. He overran Isin and Elam before making his great conquest of Larsa in (*) 1699  BCE. This king may be best known for a stele found in 1901 CE which orders the death of the builder if a house kills the owner, and modifies punishments based on membership in one of three social classes. For 10 points, name this Babylonian ruler who promulgated the oldest surviving law code.
This man's son lost his Persian Gulf holdings when Ilumailu founded the First Sea-Land Dynasty.  
Hammurabi