1 And it came to pass, when men began to multiply on the face of the earth, and daughters were born unto them,
Genesis 6:1 Cross References - KJV
Genesis 1:28
28 And God blessed them, and God said unto them, Be fruitful, and multiply, and replenish the earth, and subdue it: and have dominion over the fish of the sea, and over the fowl of the air, and over every living thing that moveth upon the earth.