Joshua 15:15-17
15:15 From there he attacked the people of Debir. (Debir used to be called Kiriath Sepher.)
15:16 Caleb said, “To the man who attacks and captures Kiriath Sepher I will give my daughter Acsah as a wife.”
15:17 When Othniel son of Kenaz, Caleb’s brother, captured it, Caleb gave Acsah his daughter to him as a wife.