1 Chronicles 4:3

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

Cross-reference

2 Chronicles 11:6 Historical context

In 2 Chronicles 11:6, Etam is a city Rehoboam fortified, possibly named after the Etam in 4:3.