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