He gave Caleb son of Jephunneh [the following] portion among the descendants of Judah based on the Lord's instruction to Joshua: Kiriath-arba (that is, Hebron; Arba was the father of Anak).
References for Joshua 15:13
Caleb drove out from there the three sons of Anak: Sheshai, Ahiman, and Talmai, descendants of Anak.
From there he marched against the inhabitants of Debir whose name used to be Kiriath-sepher,
References for Joshua 15:15
and Caleb said, "I will give my daughter Achsah as a wife to the one who strikes down and captures Kiriath-sepher."
So Othniel son of Caleb's brother, Kenaz, captured it, and Caleb gave his daughter Achsah to him as a wife.
When she arrived, she persuaded Othniel to ask her father for a field. As she got off her donkey, Caleb asked her, "What do you want?"
She replied, "Give me a blessing. Since you have given me land in the Negev, give me the springs of water also." So he gave her the upper and lower springs.