NT-EPISTLES.filter - kjv unbelieving:

kjv@1Corinthians:7:14 @ For the unbelieving husband is sanctified by the wife, and the unbelieving wife is sanctified by the husband: else were your children unclean; but now are they holy.

kjv@1Corinthians:7:15 @ But if the unbelieving depart, let him depart. A brother or a sister is not under bondage in such cases: but God hath called us to peace.

kjv@Titus:1:15 @ Unto the pure all things are pure: but unto them that are defiled and unbelieving is nothing pure; but even their mind and conscience is defiled.