3 the sons of Reuben the firstborn of Israel: Hanok, Pallu, Hezron and Karmi.

Read 1 Chronicles 5:3 Using Other Translations

The sons, I say, of Reuben the firstborn of Israel were, Hanoch, and Pallu, Hezron, and Carmi.
the sons of Reuben, the firstborn of Israel: Hanoch, Pallu, Hezron, and Carmi.
The sons of Reuben, the oldest son of Israel, were Hanoch, Pallu, Hezron, and Carmi.