1 Corinthians 7:14 VOICE

[14] Here's the reason: An unbelieving husband is consecrated by that union-touched by the grace of God through his believing wife-and the same is true when the husband is a man of faith and he's wed to an unbelieving wife. His wife is consecrated through their union. If this weren't so, your children wouldn't be pure; but as it is when faith enters in, God sets apart these children to be used uniquely for His purposes.