Charles Ellicott Commentary 1 Chronicles 7:6

"[The sons of] Benjamin: Bela, and Becher, and Jediael, three." — 1 Chronicles 7:6 (ASV)

Becher with different vowels would mean firstborn; and the original reading in Genesis 46:0 may have been Bela bechoro—“Bela his firstborn,” as in 1 Chronicles 8:1.

Jediael, friend of God, may be a substitute for Ashbel, that is, Eshbaal, man of Bel or Baal. (Compare 1 Chronicles 3:8, Eliada for Beeliada.) Ashbel is the second son of Benjamin in Numbers 26:0 and 1 Chronicles 8:0, and the third (perhaps second) in Genesis 46:0.