“As he spake to our fathers, to Abraham, and to his seed for ever.”
King James Version (KJV)
1:55 To his seed - His spiritual seed: all true believers.
Lu 1:55 To Abraham. See Ge 12:1-3 13:14-17 15:5. And to his seed. The seed promised to Abraham was to be a blessing to the whole world. Compare the hymn of Hannah (1Sa 2:1).