Extended Strong's Hebrew Lexicon (Brown-Driver-Briggs based)
Nadab
Usage: A man of the tribe of Levi living at the time of Egypt and Wilderness, first mentioned at Exo.6.23; son of: Aaron (H0175) and Elisheba (H0472); brother of: Abihu (H0030), Eleazar (H0499) and Ithamar (H0385) § Nadab = "generous" 1) eldest son of Aaron by Elisheba;
struck dead before the sanctuary in the wilderness for kindling the censers with strange fire 2) son of king Jeroboam I of the northern kingdom of Israel and king of Israel for 2 years before being slain by Baasha 3) a Jerahmeelite, son of Shammai, of the tribe of Judah 4) a son of Gibeon of the tribe of Benjamin