John Gill Commentary 1 Chronicles 7:13

"The sons of Naphtali: Jahziel, and Guni, and Jezer, and Shallum, the sons of Bilhah." — 1 Chronicles 7:13 (ASV)

The sons of Naphtali: Jahziel, and Guni, and Jezer, and
Shallum
Called Shillem, (Genesis 46:24) ,

the sons of Bilhah ;
Jacob's concubine; her grandsons; for Naphtali, the father of them, was her son; from these sprung so many families, after their names, (Numbers 26:48Numbers 26:49) .