John Gill Commentary 1 Chronicles 4:24

"The sons of Simeon: Nemuel, and Jamin, Jarib, Zerah, Shaul;" — 1 Chronicles 4:24 (ASV)

The sons of Simeon
The account of whom, next to the tribe of Judah, is given before Reuben, because its inheritance lay in the tribe of Judah, (Joshua 19:1) his sons were Nemuel, the same with Jemuel, (Genesis 46:10)

and Jamin, Jarib, Zerah, and Shaul ;
who, in the place referred to, is said to be the son of a Canaanitish woman; and Jarib and Zerah are the same with Jachin and Zohar there: and Obed is here omitted, it may be because he died without issue; see (Numbers 26:12Numbers 26:13) .