Numbers 8:16 reiterates that the firstborn are God's and that the Levites are taken in their place.

Numbers 8:17 repeats nearly verbatim the same declaration: all firstborn belong to God because He spared them in Egypt.

Numbers 18:15 builds on this by specifying redemption rules for firstborn — they belong to God but must be redeemed.

Exodus 12:29 records the actual event: the LORD striking down Egypt's firstborn, which is the basis for claiming Israel's firstborn here.

Exodus 12:30 continues the plague narrative, showing the great cry in Egypt—confirming the event referenced in Numbers 3:13.

Exodus 13:2 is the original command to consecrate every firstborn male — the foundational law recalled here.

Exodus 13:12 gives the instruction to set apart all firstborn males — the same consecration principle as here.

Exodus 13:15 explains the rationale for redeeming firstborns, directly echoing the logic here: the LORD killed Egypt's firstborn.

Exodus 22:29 commands giving firstborn sons to God — reinforcing the claim that firstborn belong to Him.

Exodus 34:19 restates that all firstborn males belong to the Lord — a parallel declaration.

Leviticus 27:26 clarifies that firstborn already belong to God and cannot be dedicated — expanding on this consecration.

Luke 2:23 quotes the law about firstborn males being holy to the Lord — applying it to Jesus' presentation.

Hebrews 12:23 applies 'firstborn' metaphorically to believers enrolled in heaven — a typological fulfillment of OT consecration.

Deuteronomy 15:19 commands setting apart firstborn male animals for the LORD, applying the same firstborn dedication principle stated here.