Mt 2:23, Acts 13:22-23, Rom 15:12, Mt 3:16, Jn 1:32
In the Old Testament, Isaiah prophesied that Christ would come to this earth as a descendant of Jesse and that the Holy Spirit would come upon him. (Isa 11:1-5)
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: 2 And the spirit of the Lord shall rest upon him, the spirit of wisdom and understanding, the spirit of counsel and might, the spirit of knowledge and of the fear of the Lord; 3 And shall make him of quick understanding in the fear of the Lord: and he shall not judge after the sight of his eyes, neither reprove after the hearing of his ears: 4 But with righteousness shall he judge the poor, and reprove with equity for the meek of the earth: and he shall smite the earth: with the rod of his mouth, and with the breath of his lips shall he slay the wicked. 5 And righteousness shall be the girdle of his loins, and faithfulness the girdle of his reins.
Paul testified that Jesus was the Christ, the descendant of Jesse and David. (Acts 13:22-23, Romans 15:12)
Acts 13:22 And when he had removed him, he raised up unto them David to be their king; to whom also he gave their testimony, and said, I have found David the son of Jesse, a man after mine own heart, which shall fulfil all my will. 23 Of this man's seed hath God according to his promise raised unto Israel a Saviour, Jesus:
Romans 15:12 And again, Esaias saith, There shall be a root of Jesse, and he that shall rise to reign over the Gentiles; in him shall the Gentiles trust.
As the Old Testament prophesied, the Holy Spirit came upon Jesus. (Matthew 3:16, John 1:32)
Matthew 3:16 And Jesus, when he was baptized, went up straightway out of the water: and, lo, the heavens were opened unto him, and he saw the Spirit of God descending like a dove, and lighting upon him:
John 1:32 And John bare record, saying, I saw the Spirit descending from heaven like a dove, and it abode upon him.