Heb 2:13-16
In the Old Testament, Isaiah knew that God would restore the nation of Israel by giving him children. (Isa 8:17-18)
Isa 8:17 And I will wait upon the Lord, that hideth his face from the house of Jacob, and I will look for him. 18 Behold, I and the children whom the Lord hath given me are for signs and for wonders in Israel from the Lord of hosts, which dwelleth in mount Zion.
Jesus died on the cross to save us, who were slaves of Satan, and to make us children. (Heb 2:13-16)
Heb 2:13 And again, I will put my trust in him. And again, Behold I and the children which God hath given me.
14 Forasmuch then as the children are partakers of flesh and blood, he also himself likewise took part of the same; that through death he might destroy him that had the power of death, that is, the devil;
15 And deliver them who through fear of death were all their lifetime subject to bondage.
16 For verily he took not on him the nature of angels; but he took on him the seed of Abraham.
We are set free from the law of sin and death through faith in Jesus Christ. (Romans 8:2)
Romans 8:2 For the law of the Spirit of life in Christ Jesus hath made me free from the law of sin and death.