1 Chronicles 1:23 lists the names Ophir, Havilah, and Jobab as sons of Joktan. This verse is part of a genealogy, showing the descendants of Joktan, who was an early figure in the line of Shem’s family.
The book of 1 Chronicles opens with genealogies tracing the origins of different peoples after the flood. Here, the writer is recording the family line for historical and tribal records. The names mentioned—Ophir, Havilah, and Jobab—are included to show the breadth of Joktan’s descendants, which would have been significant for the original audience’s understanding of their heritage and relationships among ancient peoples.