Abihu

Nadav and Avihu were respectively the eldest and second oldest of the sons of Aaron. They were consecrated to the priest's office along with their brothers Eleazar and Ithamar. With their father, Nadab and Abihu accompanied the seventy elders part of the way up the mount with Moses.Following the innauguration of the Tabernacle, Nadab and Abihu offered incense in their censers filled with "strange" fire, i.e., not with holy fire taken from the great brazen altar, and for this offense they were immediately consumed by a fire from before God., and were taken out and buried outside the camp. It is probable that when they committed this grave offense they were intoxicated, for immediately after this incident is given the law prohibiting the use of wine or strong drink to the priests.
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he is my father
  

(he (God) is my father), the second son, (Numbers 3:2) of Aaron by Elisheba. (Exodus 6:23) Being, together with his elder brother Nadab, guilty of offering strange fire to the lord, he was consumed by fire from heaven. (Leviticus 10:1,2)
  

father of Him; i.e., "worshipper of God", the second of the sons of Aaron (Ex. 6:23; Num. 3:2; 26:60; 1 Chr. 6:3). Along with his three brothers he was consecrated to the priest's office (Ex. 28:1). With his father and elder brother he accompanied the seventy elders part of the way up the mount with Moses (Ex. 24:1,9). On one occasion he and Nadab his brother offered incense in their censers filled with "strange" (i.e., common) fire, i.e., not with fire taken from the great brazen altar (Lev. 6:9, etc.), and for this offence they were struck dead, and were taken out and buried without the camp (Lev. 10:1-11; comp. Num. 3:4; 26:61; 1 Chr. 24:2). It is probable that when they committed this offence they were intoxicated, for immediately after is given the law prohibiting the use of wine or strong drink to the priests.