Judges 1:12

Will give. The city was evidently stubbornly defended, and Caleb endeavored to rouse the ambitious young men among the different clans of the tribe to greater valor by offering his daughter in marriage to the one whose group broke into the city first. From what follows, it appears that the captured city also became the territory of the fortunate victor. This story gives some evidence of the strength of the southern cities in these mountains. Earlier, when Joshua was assigning sections of the land to the tribes, Caleb referred to his unbroken strength, and accordingly gained permission to win the region by the sword (Joshua 14:11).