So all the generations from Abraham to David were fourteen generations, and from David to the deportation to Babylon fourteen generations, and from the deportation to Babylon to the Christ fourteen generations.
Concerning this genealogy of our Saviour, observe, I. The title of it. It is the book (or the account, as the Hebrew word sepher, a book, sometimes signifies) of the generation of Jesus Christ, of his ancestors according to the flesh; or, It is the narrative of his birth. It is Biblos Geneseò„s - a book of Genesis.
Commenting on Matthew 1:1-17
So all the generations from Abraham,.... The Evangelist having traced the genealogy of Christ from Abraham, which he divides into "three" parts, because of the threefold state of the Jews, "first" under Patriarchs, Prophets, and Judges, "next" under Kings, and "then" under Princes and Priests, gives the sum of each part under its distinct head; "so all the generations", that is, the degrees of generation...
Verse 17. All the generations, etc. This division of the names in their genealogy was doubtless adopted for the purpose of aiding the memory. It was common among the Jews; and other similar instances are preserved. They were destitute of other books beside the Old Testament, and had but few copies of that among them, and those chiefly in their synagogues.