How does Tiamat relate to other gods in the Mesopotamian pantheon?

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In Mesopotamian mythology, Tiamat is a primordial deity. She and Apsu, who is the personification of fresh water, created the first gods by the mingling of their waters. Conflict arose between Tiamat and the younger gods when the latter’s activity resulted in noise and other disturbances, disrupting Tiamat and Apsu’s rest. Tiamat eventually went to war with the other gods and was defeated by Marduk, who used her body to create the universe.