They discussed it among themselves and said, If we say, 'From heaven', he will ask, 'Then why didn't you believe him?' But if we say, 'From men'— we are afraid of the people, for they all hold that John was a prophet. So they answered Jesus, “We don't know.” (Matt. 21:26)
While many among ecclesiastical sectarian institutions might try to deny that Jesus was actually the disciple of John the Baptist, this is confirmed in the priests and elders' statement, and Jesus’ response. It is also confirmed by the fact that John baptized Jesus.
"Love the LORD your God with all your heart and with all your soul and with all your strength." (Deut. 6:5)
Rather, he said:
“Not everyone who says to me ‘Lord, Lord,’ will enter the kingdom of heaven, but only he who does the will of my Father who is in heaven.” (Matt. 7:21)
(For a translation of Jesus' statements from the Gospel of Matthew without institutional sectarian influence, see the Devotional Translation - translated from the original Greek texts.)