John preached that Jesus was the Son of God. At Jesus baptism, the Father and the Spirit made that plain too.
BibleGateway: Luke 3:15-18, 21-22 ESV Text: Luke 3:15-18, 21-22 KJV Text: Luke 3:15-18 The section starts at about 2:0 and ends at about 2:45 15 And as the people were in expectation, and all men… John preached that Jesus was the Son of God. At Jesus baptism, the Father and the Spirit made that plain too.