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15He went up there against the inhabitants of Debir: now the name of Debir before was Kiriath-sepher. 16Caleb said, He who strikes Kiriath-sepher, and takes it, to him will I give Achsah my daughter as wife. 17Othniel the son of Kenaz, the brother of Caleb, took it: and he gave him Achsah his daughter as wife.
Joshua 15:15-17 (WEB)