Virgin birth. The virgin birth was the means whereby the incarnation took place and guaranteed the sinlessness of the Son of God. For this reason the virgin birth was essential. Isaiah 7:14 predicted the virgin birth and Matthew 1:23 provides the commentary, indicating its fulfillment in the birth of Christ. Matthew 1:23 identifies Mary as a “virgin” (Gk. parthenos, clearly denoting a virgin).15 The texts of Matthew and Luke are both clear on the teaching of the virgin birth. Matthew 1:18 emphasizes