Leviticus 10:1   And Naḏaḇ and Aḇihu, the sons of Aharon, each took his fire holder and put fire in it, and put incense on it, and brought strange fire before יהוה , which He had not commanded them. OLDEST SONS - Exodus 6:23 Aharon took to himself Elisheḇa, daughter of Amminaḏaḇ, sister of Naḥshon, as wife. And she bore him Naḏaḇ, and Aḇihu, El‛azar, and Ithamar. Leviticus 10:1   Now Nadab and Abihu, the sons of Aaron, each took his censer and put fire in it and laid incense on it and offered unauthorized fire before יהוה, which he had not commanded them.