13 children born not of natural descent, nor of human decision or a husband’s will, but born of God.

Read John 1:13 Using Other Translations

Which were born, not of blood, nor of the will of the flesh, nor of the will of man, but of God.
who were born, not of blood nor of the will of the flesh nor of the will of man, but of God.
They are reborn—not with a physical birth resulting from human passion or plan, but a birth that comes from God.