NET
31 Mattithiah, a Levite, the firstborn son of Shallum the Korahite, was in charge of baking the bread for offerings.
Darby
31 And Mattithiah of the Levites, who was the firstborn of Shallum the Korahite, was in trust over the things that were made in the pans.
KJV
31 And Mattithiah, [one] of the Levites, who [was] the firstborn of Shallum the Korahite, had the set office over the things that were made in the pans.