Isa 11:1, Jer 23:5-6, Jer 33:15-16, Zech 6:12-13, Mt 1:1,6
In the Old Testament, Isaiah prophesied that the seed of God would restore the remnant of Israel. (Isa 4:2)
Isa 4:2 In that day shall the branch of the Lord be beautiful and glorious, and the fruit of the earth shall be excellent and comely for them that are escaped of Israel.
In the Old Testament, Isaiah prophesied that Christ would come to save the nation of Israel as the descendants of Jesse and David. (Isa 11:1, Jer 23:5-6, Jer 33:15-16)
Isa 11:1 And there shall come forth a rod out of the stem of Jesse, and a Branch shall grow out of his roots:
Jer 23:5 Behold, the days come, saith the Lord, that I will raise unto David a righteous Branch, and a King shall reign and prosper, and shall execute judgment and justice in the earth. 6 In his days Judah shall be saved, and Israel shall dwell safely: and this is his name whereby he shall be called, The Lord Our Righteousness.
Jer 33:15 In those days, and at that time, will I cause the Branch of righteousness to grow up unto David; and he shall execute judgment and righteousness in the land.
16 In those days shall Judah be saved, and Jerusalem shall dwell safely: and this is the name wherewith she shall be called, The Lord our righteousness.
In the Old Testament, Zechariah prophesied that the seed of God would come to this earth to build a temple and become king and priest. (Zec 6:12-13)
Zec 6:12 And speak unto him, saying, Thus speaketh the Lord of hosts, saying, Behold the man whose name is The Branch; and he shall grow up out of his place, and he shall build the temple of the Lord: 13 Even he shall build the temple of the Lord; and he shall bear the glory, and shall sit and rule upon his throne; and he shall be a priest upon his throne: and the counsel of peace shall be between them both.
As a descendant of David, the seed of God, Christ, has come to this earth. That is Jesus. (Matthew 1:1,6,16)
Matthew 1:1 The book of the generation of Jesus Christ, the son of David, the son of Abraham. 6 And Jesse begat David the king; and David the king begat Solomon of her that had been the wife of Urias; 16 And Jacob begat Joseph the husband of Mary, of whom was born Jesus, who is called Christ.