In Genesis 26:34, Esau marries Hittite women — precisely the kind of Canaanite marriage Abraham here prohibits for Isaac.

In Genesis 27:46, Rebekah says 'If Jacob marries a Hittite woman, what good will my life be?' — voicing the exact dread behind Abraham's prohibition.

In Genesis 28:1, Isaac repeats the command to Jacob to avoid Canaanite wives, showing family continuity.

In Genesis 28:2, Isaac directs Jacob to Laban's family, echoing Abraham's instruction to seek a wife from kin.

Genesis 14:22 records Abraham himself lifting his hand to 'the LORD, possessor of heaven and earth' — the exact oath formula reused here.

In Gen 34:9, Hamor proposes exactly what Abraham feared — Canaanite intermarriage with Jacob's family — showing the ongoing danger of such unions.

In Gen 38:2, Judah marries a Canaanite woman, directly illustrating the outcome Abraham sought to prevent for Isaac's line.

Genesis 21:23 shows Abraham making a covenant oath with Abimelech, paralleling the solemn agreement in arranging Isaac's marriage.

In Genesis 26:35, Esau's Hittite wives 'made life bitter for Isaac and Rebekah' — the grief Abraham foresaw when forbidding Canaanite marriages.

Genesis 28:8 reveals Esau's Canaanite wives displeased Isaac, highlighting the command's importance.

Nehemiah 13:25 condemns intermarriage with foreigners — the exact concern driving Abraham's instruction not to take a wife from the Canaanites.

Deuteronomy 10:20 similarly calls for swearing oaths in God's name, reinforcing the command.

Deuteronomy 7:3 reaffirms the ban on intermarrying with Canaanites, reinforcing the principle.

Deuteronomy 6:13 instructs to take oaths in God's name, affirming the practice seen in this verse.

Leviticus 19:12 forbids false swearing by God's name, stressing the integrity required in such oaths.

Exodus 23:13 commands not to invoke other gods, underscoring the exclusivity of swearing by the LORD alone.

Exodus 20:7 warns against misusing God's name, highlighting the gravity of swearing by it as done here.

In Num 36:6, Zelophehad's daughters must marry within their tribe — the same endogamy principle Abraham enforced for Isaac.

In Judg 14:2, Samson demands a Philistine wife, directly defying the principle of avoiding local foreign wives that Abraham established.

Malachi 2:15 warns against unfaithfulness, seeking godly offspring — directly echoing Abraham's insistence on a wife from his own faithful line, not Canaan.

Exodus 34:16 warns that Canaanite wives lead to idolatry, explaining the reason for the prohibition.

Deuteronomy 7:4 shows the consequence: intermarriage leads to idolatry and divine judgment.

In Psalm 115:15, 'May you be blessed by the LORD, who made heaven and earth!' echoes the same title Abraham invokes when swearing his servant.

In Jeremiah 10:11, false gods 'did not make the heavens and earth' — affirming that the God Abraham swears by is the only true creator.

2 Corinthians 6:14-17 warns against being yoked with unbelievers, extending the separation principle.

In Nehemiah 9:6, God is praised as maker of 'heaven, the heaven of heavens, the earth and all that is on it' — expanding this same creator-title.

In 2 Chronicles 2:12, Huram blesses 'the LORD who made heaven and earth' — the same creator-title Abraham uses to solemnize his oath.

In 2 Kings 19:15, Hezekiah addresses God the same way — as creator of heaven and earth — invoking his supreme authority over all nations and threats.

In Num 12:1, Miriam and Aaron criticize Moses for marrying a Cushite, echoing the concern about marriage outside one's people.