Numbers 3:13
Because: Num 8:16, Num 8:17, Num 18:15, Exo 13:2, Exo 13:12, Exo 22:29, Exo 34:19, Lev 27:26, Eze 44:30, Luk 2:23, Heb 12:23 on the day: Exo 12:29, Exo 12:30, Exo 13:15 Reciprocal: Deu 15:19 - the firstling