Exodus 13:12
you are to present to the Lord every firstborn male of the womb. All firstborn offspring of the livestock you own that are males will be the Lord’s.
Numbers 18:15
                            The firstborn of every living thing, man or animal, presented to the Lord belongs to you. But you must certainly redeem the firstborn of man,
Exodus 34:19
                            “The firstborn
Leviticus 27:26
                            “But no one can consecrate a firstborn of the livestock, whether an animal from the herd or flock, to the Lord, because a firstborn already belongs to the Lord.
Exodus 13:2
                            “Consecrate every firstborn male
Exodus 22:29
                            “You must not hold back offerings
Deuteronomy 15:19
                            “You must consecrate to the Lord your God every firstborn male produced by your herd and flock.
Ezekiel 44:30
                            The best of all the firstfruits of every kind and contribution of every kind from all your gifts will belong to the priests.
Numbers 3:12
                            “See, I have taken the Levites from the Israelites in place of every firstborn Israelite from the womb.
Numbers 8:17
                            For every firstborn among the Israelites is Mine, both man and animal. I consecrated them to Myself
Luke 2:23
                            (just as it is written in the law of the Lord: Every firstborn male