Galatians 3:8

And, predicting that God would consider the Gentiles right with Him by [their] faith, the Scriptures previously recorded [this promise of] the Gospel to Abraham by saying [Gen. 12:3], "All nations will receive a blessing through your descendant [i.e., Jesus]."

Acts 3:25

You people are descendants of these prophets and [recipients] of the Agreement God made with your forefathers when He said to Abraham [Gen. 12:3], 'And through your seed [i.e., your descendant Jesus] all the people of the earth will receive the blessings [of God].'

Galatians 3:16

Now [specific] promises were made to Abraham and to his seed [i.e., descendants]. [God] did not say "seeds" [plural] as though He were referring to many persons but "seed" [singular] showing that He meant one [descendant]; [Gen. 13:15 says] "And to your seed," referring to Christ.

Hebrews 11:2

For the men of old [i.e., the forefathers. See 1:1], received [God's] approval [for their faith].

Treasury of Scripture Knowledge

Summary

And I will make thy seed to multiply as the stars of heaven, and will give unto thy seed all these countries; and in thy seed shall all the nations of the earth be blessed;

Multiply

General references

Bible References

Multiply

Hebrews 11:2
For the men of old [i.e., the forefathers. See 1:1], received [God's] approval [for their faith].

Seed shall

Acts 3:25
You people are descendants of these prophets and [recipients] of the Agreement God made with your forefathers when He said to Abraham [Gen. 12:3], 'And through your seed [i.e., your descendant Jesus] all the people of the earth will receive the blessings [of God].'
Galatians 3:8
And, predicting that God would consider the Gentiles right with Him by [their] faith, the Scriptures previously recorded [this promise of] the Gospel to Abraham by saying [Gen. 12:3], "All nations will receive a blessing through your descendant [i.e., Jesus]."

General references

Luke 1:55
to Abraham and his descendants forever."