New Defender's Study Bible Notes
38:6 Tamar. Tamar, who had a son by Judah through a rather involved and unsavory (though, in one sense, and from her point of view, quite justified) intrigue, is the first of four women (the others being Rahab, Ruth and Bathsheba) listed in the kingly genealogy of Jesus Christ (see Matthew 1:3). This, among other factors, is surely a testimony of God’s grace. Tamar had twin sons, the youngest of which, Phares, was the one in the royal line.