Now the promises were made to Abraham and to his descendant. It does not say, "And to descendants", as referring to many, but as referring to one, "And to your descendant", who is Christ.Galatians 3, 16.
Then the LORD God said to the serpent: "Because you have done this, you shall be banned from all the animals and from all the wild creatures; On your belly shall you crawl, and dirt shall you eat all the days of your life. I will put enmity between you and The Woman, and between your offspring and Hers; He will strike at your head, while you strike at His heel".Genesis 3, 14-15.
Standing by the cross of Jesus were His mother and His mother's sister, Mary the wife of Clopas, and Mary of Magdala. When Jesus saw His mother and the disciple there whom He loved, He said to His mother, "Woman, behold, your son". Then He said to the disciple, "Behold, your mother". And from that hour the disciple took Her into his home.John 19, 25-27.