Nadab and Abihu, sons of the high priest Aaron, sacrificed wrongfully, and it would seem intentionally. For that, they died. This picture shows them carried away from the altar after they died (Leviticus 10).

nadab; abihu; sons of aaron; high priest; Leviticus 10; wrongfully; sin; sinful; sacrifice; sacrificed; sacrificing; sacrificial; sacrificially; offer; offered; offering; sinfully; intentionally; execution; death; dying; dead; sins; sacrifices; offers; offerings; executions; deaths