Nehemiah 13:23 reports that the very intermarriage they swore to avoid had occurred, revealing their broken oath.

Nehemiah 13:25 records his harsh rebuke and curse on those who married foreigners, enforcing the earlier covenant.

Nehemiah 13:30 describes his purification of Israel from foreign elements, fulfilling the pledge to separate from pagan peoples.

Exodus 34:16 prohibits intermarriage with Canaanites; this verse applies that law to the post-exilic community.

Deuteronomy 7:3 commands not intermarrying; this verse reaffirms that command in the covenant.

Ezra 9:1-3 reports the intermarriage problem that led to this covenant vow against it.

Ezra 9:12-14 warns against intermarriage and its consequences, directly underlying this pledge.

Ezra 10:10-12 describes the public confession and separation from foreign wives, which this vow seeks to uphold.