Genesis 12:3,7
And I will bless them that bless you, and curse him that curses you: and in you shall all families of the earth be blessed.
Torrey's Topical Textbook—AKJV

Galatians 3:16
Now to Abraham and his seed were the promises made. He said not, And to seeds, as of many; but as of one, And to your seed, which is Christ.
Torrey's Topical Textbook—AKJV