1 Chronicles 4:3

And these are of the father of Etam: Jezreel, and Ishma, and Idbash; and the name of their sister is Hazzelelponi,

Judges 15:11

And three thousand men of Judah go down unto the cleft of the rock Etam, and say to Samson, 'Hast thou now known that the Philistines are rulers over us? and what is this thou hast done to us?' And he saith to them, 'As they did to me, so I did to them.'

2 Chronicles 11:6

yea, he buildeth 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
And three thousand men of Judah go down unto the cleft of the rock Etam, and say to Samson, 'Hast thou now known that the Philistines are rulers over us? and what is this thou hast done to us?' And he saith to them, 'As they did to me, so I did to them.'
2 Chronicles 11:6
yea, he buildeth Beth-Lehem and Etam, and Tekoa,