4 John did baptize in the wilderness, and preach the baptism of repentance for the remission of sins.
Mark 1:4 Cross References - UKJV
Matthew 3:1-2
Matthew 3:6
6 And were baptized of him in Jordan, confessing their sins.
Matthew 3:11
11 I indeed baptize you with water unto repentance. but he that comes after me is mightier than I, whose shoes I am not worthy to bear: he shall baptize you with the Holy Spirit, (o. pneuma) and with fire:
Luke 1:77
77 To give knowledge of salvation unto his people by the remission of their sins,
Luke 3:2-3
John 3:23
23 And John also was baptizing in Aenon near to Salim, because there was much water there: and they came, and were baptized.
Acts 10:37
37 That word, (o. rhema) I say, all of you know, which was published throughout all Judaea, and began from Galilee, after the baptism which John preached;
Acts 13:24-25
Acts 19:3-4
Acts 22:16
16 And now why tarry you? arise, and be baptized, and wash away your sins, calling on the name of the Lord.