Charles Ellicott Commentary Genesis 46:16

"And the sons of Gad: Ziphion, and Haggi, Shuni, and Ezbon, Eri, and Arodi, and Areli." — Genesis 46:16 (ASV)

Gad, the eldest son of Zilpah, has seven sons:

Genesis 46:16: Ziphion, Haggi, Shuni, Ezbon, Eri, Arodi, Areli.

Numbers 26:15–17: Zephon, Haggi, Shuni, Ozni, Eri, Arod, Areli.

In 1 Chronicles 5:11–15, only registration in King Jotham’s time is listed.