Joshua 15:16
And Caleb said, He that smiteth Kirjath–sepher, and taketh it, to him will I give Achsah my daughter to wife.
Cross-references
Judges 1:12
Citation
Judges 1:12 repeats Caleb's offer verbatim — a direct parallel account.
Judges 1:13
Prophetic fulfillment
Judges 1:13 reports Othniel's capture of Debir and marriage — the fulfillment of Caleb's offer here.