3 John went into all the district about the Jordan proclaiming a baptism of the penitent for the forgiveness of sins;
Luke 3:3 Cross References - WNT
Matthew 3:5-6
Matthew 3:11
11 I indeed am baptizing you in water on a profession of repentance; but He who is coming after me is mightier than I: His sandals I am not worthy to carry for a moment; He will baptize you in the Holy Spirit and in fire.
Mark 1:4-5
4 So John the Baptizer came, and was in the Desert proclaiming a baptism of the penitent for forgiveness of sins.
5 There went out to him people of all classes from Judaea, and the inhabitants of Jerusalem of all ranks, and were baptized by him in the river Jordan, making open confession of their sins.
Luke 1:77
77 To give to His People a knowledge of salvation In the forgiveness of their sins,
John 1:28
28 This conversation took place at Bethany beyond the Jordan, where John was baptizing.
John 1:31-33
31 I did not yet know Him; but that He may be openly shown to Israel is the reason why I have come baptizing in water."
32 John also gave testimony by stating: "I have seen the Spirit coming down like a dove out of Heaven; and it remained upon Him.
33 I did not yet know Him, but He who sent me to baptize in water said to me, "'The One on whom you see the Spirit coming down, and remaining, He it is who baptizes in the Holy Spirit.'
John 3:26
26 they came to John and reported to him, "Rabbi, he who was with you on the other side of the Jordan and to whom you bore testimony is now baptizing, and great numbers of people are resorting to him."
Acts 13:24
24 Before the coming of Jesus, John had proclaimed to all the people of Israel a baptism of repentance.
Acts 19:4
4 "John," he said, "administered a baptism of repentance, bidding the people believe on One who was to come after him; namely, on Jesus."
Acts 22:16
16 And now why delay? Rise, get yourself baptized, and wash off your sins, calling upon His name.'