Of the sons of Zerah: Jeuel and their kinsmen, six hundred and ninety: Zerah was also a son of Judah, which Good News Translation makes explicit (see 1 Chr 2.4; Gen 46.12). Once again Good News Translation adds “their leader.” In this case it is the overall context that probably leads to this translation. The number six hundred and ninety probably refers to the total number of people from the tribe of Judah who lived in Jerusalem (so Contemporary English Version), not the total number of families (so Good News Translation).

Quoted with permission from Omanson, Roger L. and Ellington, John E. A Handbook on 1-2 Chronicles, Volume 1. (UBS Helps for Translators). Miami: UBS, 2014. For this and other handbooks for translators see here .