Christ the Seed

Where in the Bible do we find the first promise of a Redeemer?BR-ASI9 20.13

“And the Lord God said unto the serpent, . . . I will put enmity between thee and the woman, and between thy seed and her seed; it shall bruise thy head, and thou shalt bruise His heel.” Genesis 3:14, 15.BR-ASI9 20.14

In what words was this promise renewed to Abraham?BR-ASI9 20.15

“In thy seed shall all the nations of the earth be blessed.” Genesis 22:18. (See also Genesis 26:4; 28:14.)BR-ASI9 20.16

To whom did this promised seed refer?BR-ASI9 21.1

“Now to Abraham and his seed were the promises made. He saith not, And to seeds, as of many; but as of one, And to thy seed, which is Christ.” Galatians 3:16.BR-ASI9 21.2