1 And it came about that men began to multiply on the face of the earth, and daughters were born to them.
Genesis 6:1 Cross References - LITV
Genesis 1:28
28 And God blessed them; and God said to them, Be fruitful and multiply, and fill the earth, and subdue it, and rule over the fish of the sea, and over birds of the heavens, and over all beasts creeping on the earth.