1 Chronicles 2:26 KJV

Jerahmeel had also another wife, whose name was Atarah; she was the mother of Onam.
1 Chronicles 2:26, King James Version

In context

25 And the sons of Jerahmeel the firstborn of Hezron were, Ram the firstborn, and Bunah, and Oren, and Ozem, and Ahijah.

26 Jerahmeel had also another wife, whose name was Atarah; she was the mother of Onam.

27 And the sons of Ram the firstborn of Jerahmeel were, Maaz, and Jamin, and Eker.