Genesis 6:1

And it shall be when man begins to multiply upon the face of the earth, and daughters were born to them,

Genesis 1:28

And God will praise them, and God will say to them, be fruitful and multiply, and fill the earth, and subdue it; and rule over the fish of the sea, and over the birds of the heavens, and over every living thing creeping upon the earth.

Treasury of Scripture Knowledge

Summary

And it came to pass, when men began to multiply on the face of the earth, and daughters were born unto them,

To multiply

Bible References

To multiply

Genesis 1:28
And God will praise them, and God will say to them, be fruitful and multiply, and fill the earth, and subdue it; and rule over the fish of the sea, and over the birds of the heavens, and over every living thing creeping upon the earth.