1 Chronicles 9:31

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.

Cross-reference

In 1 Chronicles 9:19, the Korahite family (Shallum) are gatekeepers — Mattithiah, Shallum's firstborn, has a different temple duty here.

In 1 Chronicles 23:29, the Levites' duties include the baked offering — the same responsibility assigned to Mattithiah here.

Leviticus 2:5 describes grain offering baked on a griddle — the specific baked offering Mattithiah was responsible for preparing.

Leviticus 2:7 gives another baked grain offering method in a pan — part of the baked offerings law relevant to Mattithiah's role.

Leviticus 6:21 details baking grain offerings in a pan — directly connected to Mattithiah's duty over baked offerings.