Aaron married Elisheba, daughter of Amminadab and sister of Nahshon, and she bore him Nadab, Abihu, Eleazar, and Ithamar.
The sons of Korah: Assir, Elkanah, and Abiasaph; these are the families of the Korahites.
Aaron's son Eleazar married one of the daughters of Putiel, and she bore him Phinehas. These are the heads of the ancestral houses of the Levites by their families.
It was this same Aaron and Moses to whom the Lord said, "Bring the Israelites out of the land of Egypt, company by company."
It was they who spoke to Pharaoh king of Egypt to bring the Israelites out of Egypt, the same Moses and Aaron.
On the day when the Lord spoke to Moses in the land of Egypt,
he said to him, "I am the Lord; tell Pharaoh king of Egypt all that I am speaking to you."
But Moses said in the Lord's presence, "Since I am a poor speaker, why would Pharaoh listen to me?"
References for Exodus 6:30