en_tn/heb/07/05.md

the descendants of Levi who receive the priestly office

The author says this because not all of Levi's sons became priests. Alternate translation: "the descendants of Levi who become priests" (See: rc://en/ta/man/translate/figs-distinguish)

from the people

"from the people of Israel"

from their brothers

Here "brothers" means they are all related to each other through Abraham. Alternate translation: "from their relatives"