1 Chronicles 4:3

And these were the sons of Hur, the father of Etam: Jezreel and Ishma and Idbash, and the name of their sister was Hazzelelponi;

Judges 15:11

Then three thousand of the men of Judah went down to the crack of the rock of Etam, and said to Samson, Is it not clear to you that the Philistines are our rulers? What is this you have done to us? And he said to them, I only did to them as they did to me.

2 Chronicles 11:6

He was the builder of Beth-lehem and Etam and Tekoa

Treasury of Scripture Knowledge

Summary

And these were of the father of Etam; Jezreel, and Ishma, and Idbash: and the name of their sister was Hazelelponi:

Bible References

Etam

Judges 15:11
Then three thousand of the men of Judah went down to the crack of the rock of Etam, and said to Samson, Is it not clear to you that the Philistines are our rulers? What is this you have done to us? And he said to them, I only did to them as they did to me.
2 Chronicles 11:6
He was the builder of Beth-lehem and Etam and Tekoa

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain