13 The sons of Naphtali: Jahziel, Guni, Jezer, Shallum, and the sons of Bilhah.
1 Chronicles 7:13 Cross References - WEB
Genesis 30:3-8
3 She said, “Behold, my maid Bilhah. Go in to her, that she may bear on my knees, and I also may obtain children by her.”
4 She gave him Bilhah her servant as wife, and Jacob went in to her.
5 Bilhah conceived, and bore Jacob a son.
6 Rachel said, “God has judged me, and has also heard my voice, and has given me a son.” Therefore she called his name Dan.
7 Bilhah, Rachel’s servant, conceived again, and bore Jacob a second son.
8 Rachel said, “I have wrestled with my sister with mighty wrestlings, and have prevailed.” She named him Naphtali.
Genesis 35:22
22 While Israel lived in that land, Reuben went and lay with Bilhah, his father’s concubine, and Israel heard of it. Now the sons of Jacob were twelve.