Claim: Sennacherib's youngest daughter was Esarhaddon.
Evidence: He was assassinated in obscure circumstances in 681 BCE , apparently by his eldest son -LRB- his designated successor , Esarhaddon , was the youngest -RRB-.
He was the youngest son of Sennacherib and the West Semitic queen Naqi'a -LRB- Zakitu -RRB- , Sennacherib 's second wife.