The descendants of Moses' father-in-law the Kenite went up with the people of Judah from Palm City into the Judean desert, which was in the southern plain near Arad. They went and lived with the Amalekites.
References for Judges 1:16
Then the Judahites went with the Simeonites, their brothers, and they defeated the Canaanites who lived in Zephath, and they completely destroyed it. So the city was called Hormah.
References for Judges 1:17
Judah also captured Gaza, Ashkelon, Ekron, and all their territories.
Thus the LORD was with the tribe of Judah, and they took possession of the highlands. However, they didn't drive out those who lived in the plain because they had iron chariots.
They gave Hebron to Caleb, just as Moses had commanded, and they drove out from there the three sons of Anak.
But the people of Benjamin didn't drive out the Jebusites who lived in Jerusalem. So the Jebusites still live with the people of Benjamin in Jerusalem today.
In the same way, Joseph's household went up against Bethel, and the LORD was with them.
When they sent men to spy on Bethel, previously named Luz,
the spies saw a man coming out of the city, and they said to him, "Show us the way into the city, and we'll be loyal to you in return."
So he showed them the way into the city. They killed the city's people with their swords, but they let that man and all his relatives go.
The man went to the land of the Hittites and built a city. He named it Luz, which is still its name today.