The People Grumble Against Moses, Isn't It?

The people grumble, which is the first grumbling against Moses that we see in other places in the Pentateuch. So as a result of that, see chapter 6 then follows with Yahweh's assurance that Moses will indeed deliver the Israelites. The genealogy of Moses and Aaron, right here in the Exodus story, it goes back to one of the sons of Jacob Levi. And from one of the Levites, Aaron will be descended all the high priests.