In Christ our families are already blessed and will be saved!

Acts 2:38-39
Peter replied, “Repent and be baptized, every one of you, in the name of Jesus Christ for the forgiveness of your sins. And you will receive the gift of the Holy Spirit. The promise is for you and your children and for all who are far off-for all whom the Lord our God will call.”

Acts 16:30-31
He then brought them out and asked, “Sirs, what must I do to be saved?”
They replied, “Believe in the Lord Jesus, and you will be saved-you and your household.”