Exodus 6:23 in the World English Bible
Aaron took Elisheba, the daughter of Amminadab, the sister of Nahshon, as his wife; and she bore him Nadab and Abihu, Eleazar and Ithamar.
Context
22 And the sons of Uzziel; Mishael, and Elzaphan, and Zithri.
23 And Aaron took him Elisheba, daughter of Amminadab, sister of Naashon, to wife; and she bare him Nadab, and Abihu, Eleazar, and Ithamar.
24 And the sons of Korah; Assir, and Elkanah, and Abiasaph: these are the families of the Korhites.