1 And it happened, when men began to multiply on the face of the earth, and when daughters were born to them,
Genesis 6:1 Cross References - MKJV
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 have dominion over the fish of the sea and over the fowl of the heavens, and all animals that move upon the earth.