16 These were the names of the sons of Levi according to their records: Gershon, Kohath and Merari. Levi lived 137 years.

Read Exodus 6:16 Using Other Translations

And these are the names of the sons of Levi according to their generations; Gershon, and Kohath, and Merari: and the years of the life of Levi were an hundred thirty and seven years.
These are the names of the sons of Levi according to their generations: Gershon, Kohath, and Merari, the years of the life of Levi being 137 years.
These are the descendants of Levi, as listed in their family records: The sons of Levi were Gershon, Kohath, and Merari. (Levi lived to be 137 years old.)