claim: Sennacherib's youngest daughter was Esarhaddon.
evidence: Esarhaddon -LRB- Akkadian  : Assur-aha-iddina `` Ashur has given a brother '' ; אסר חדן Ασαραδδων Asor Haddan -RRB- was a king of the Neo-Assyrian Empire who reigned 681 -- 669 BC .. Akkadian. Akkadian language. Ashur. Ashur ( god ). Neo-Assyrian Empire. Neo-Assyrian Empire. He was the youngest son of Sennacherib and the West Semitic queen Naqi'a -LRB- Zakitu -RRB- , Sennacherib 's second wife .. Sennacherib. Sennacherib. West Semitic. ancient Semitic-speaking peoples. Naqi'a. Naqi'a