These are the same Aaron and Moses to whom the LORD said, "Bring out the children of Israel from the land of Egypt according to their armies."
Exodus 6:26
Surrounding context
6:25 Eleazar, Aaron's son, took for himself one of the daughters of Putiel as wife; and she bore him Phinehas. These are the heads of the fathers' houses of the Levites according to their families.
6:26 These are the same Aaron and Moses to whom the LORD said, "Bring out the children of Israel from the land of Egypt according to their armies."
6:27 These are the ones who spoke to Pharaoh king of Egypt, to bring out the children of Israel from Egypt. These are the same Moses and Aaron.