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