strange fire before # 03_LEV_10_01 # And Nadab and Abihu, the sons of Aaron, took either of them his censer, and put fire therein, and put incense thereon, and offered strange fire before the LORD, which he commanded them not. 
strange fire before # 04_NUM_03_04 # And Nadab and Abihu died before the LORD, when they offered strange fire before the LORD, in the wilderness of Sinai, and they had no children: and Eleazar and Ithamar ministered in the priest's office in the sight of Aaron their father. 
strange fire before # 04_NUM_26_61 # And Nadab and Abihu died, when they offered strange fire before the LORD.