In Romans 4:15, Paul states that where no law exists there is no transgression — the same principle he builds on in 5:13.

Genesis 6:5 describes total human wickedness before the flood — a clear example of sin existing before the law, as in Romans 5:13.

Genesis 6:11 notes corruption and violence before the flood — a pre-law example of sin, supporting Romans 5:13.

Genesis 13:13 states Sodom's wickedness before the law — a direct example of sin existing prior to Sinai, as in Romans 5:13.

Genesis 18:20 describes Sodom's grievous sin before the law — illustrating the pre-law sin Paul references in Romans 5:13.

Genesis 19:5 records the men of Sodom demanding homosexual assault — a concrete pre-law sin, illustrating Romans 5:13.

In Psalm 32:2, blessing comes when the LORD does not count iniquity — the same concept of imputation Paul discusses, but through forgiveness rather than absence of law.

In 1 Corinthians 15:56, the law is called the power of sin — explaining why law makes sin count, complementing Paul's argument here.

In 1 John 3:4, sin is defined as lawlessness — a definition that interacts with Paul's claim that sin existed before the law was given.

Genesis 6:6 shows God's grief over pre-law wickedness — illustrating the reality of sin that Romans 5:13 says existed.

In Genesis 38:7, Er's wickedness brings divine judgment — demonstrating sin and its consequences prior to the Mosaic Law.

In Genesis 38:10, Onan's sin leads to death — another pre-Law instance of sin being punished, reinforcing Paul's point.

Genesis 8:21 affirms humanity's evil inclination after the flood — another pre-law instance of sin, consistent with Romans 5:13.