Solomon's line had been exalted.

Now this line must be abased, and the lower line must be exalted.
[128]The obscure line of David was his son Nathan.

Mary the mother of Jesus was a direct descendant of Nathan of the house of David.
[129]Jeremiah prophesied concerning the coming of Messiah, as follows: "Behold the day is coming, saith the Lord, that I will raise unto David a righteous branch and a king shall reign and prosper....

In his day Judah shall be saved, and Israel shall dwell safely; and this is the name that Jehovah proclaimeth him, Our Righteousness."-- Jeremiah 23:5,6, _Young_.
[130]Mary, the mother-to-be of Jesus, was approached by the angel of the Lord, who said to her: "Fear not, Mary; for thou hast found favor with God.

And, behold, thou shalt conceive in thy womb, and bring forth a son and shalt call his name Jesus.