1 Cor 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. Acts 2:39.   For the promise is unto you, and to your children, and to all that are afar off, even as many as the LORD our God shall call. Gen 17:7-12.   And I will establish my covenant between me and thee and thy seed after thee in their generations for an everlasting covenant, to be a God unto thee, and to thy seed after thee. And I will give unto thee, and to thy seed after thee, the land wherein thou art a stranger, all the land of Canaan, for an everlasting possession; and I will be their God. And God said unto Abraham, Thou shalt keep my covenant therefore, thou, and thy seed after thee in their generations. This is my covenant, which ye shall keep, between me and you and thy seed after thee; Every man child among you shall be circumcised. And ye shall circumcise the flesh of your foreskin; and it shall be a token of the covenant betwixt me and you. And he that is eight days old shall be circumcised among you, every man child in your generations, he that is born in the house, or bought with money of any stranger, which is not of thy seed. Ezek 16:20-21.   Moreover thou hast taken thy sons and thy daughters, whom thou hast borne unto me, and these hast thou sacrificed unto them to be devoured. Is this of thy whoredoms a small matter, That thou hast slain my children, and delivered them to cause them to pass through the fire for them? Rom 11:16.   For if the firstfruit be holy, the lump is also holy: and if the root be holy, so are the branches. Gal 3:7,9,14.   Know ye therefore that they which are of faith, the same are the children of Abraham. ...So then they which be of faith are blessed with faithful Abraham. ...That the blessing of Abraham might come on the Gentiles through Jesus Christ; that we might receive the promise of the Spirit through faith. Rom 4:12,16,24.   And the father of circumcision to them who are not of the circumcision only, but who also walk in the steps of that faith of our father Abraham, which he had being yet uncircumcised. ...Therefore it is of faith, that it might be by grace; to the end the promise might be sure to all the seed; not to that only which is of the law, but to that also which is of the faith of Abraham; who is the father of us all, ...But for us also, to whom it shall be imputed, if we believe on him that raised up Jesus our Lord from the dead;