NET
12 But to all who have received him—those who believe in his name—he has given the right to become God’s children
Darby
12 but as many as received him, to them gave he [the] right to be children of God, to those that believe on his name;
KJV
12 But as many as received him, to them gave he power to become the sons of God, [even] to them that believe on his name: