Enoch, Methuselah, and Lamech represent the seventh, eighth, and ninth generations of humankind. Regarding the relationship of these three persons, see the comments on 1 Chr 1.1. Enoch was the son of Jared and was sixty-five years old when his son Methuselah was born (Gen 5.21).

Methuselah, who lived for 969 years (Gen 5.27), was 187 years old when his son Lamech was born (Gen 5.25).

Lamech was 182 years old when his son Noah was born (Gen 5.28).

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 .