Matthew 19:4

Genesis 1:27 NIV
So God created mankind in his own image, in the image of God he created them; male and female he created them.

Genesis 2:23 NIV
The man said, “This is now bone of my bones and flesh of my flesh; she shall be called ‘woman,’ for she was taken out of man. ”

Genesis 5:2 NIV
He created them male and female and blessed them. And he named them “Mankind” when they were created.