Matthew 3:1-3
In those days came John the Baptist, preaching in the wilderness of Judaea,
Nave's Topical Index—AKJV

Mark 1:4
John did baptize in the wilderness, and preach the baptism of repentance for the remission of sins.
Nave's Topical Index—AKJV

Luke 3:2,3
Annas and Caiaphas being the high priests, the word of God came to John the son of Zacharias in the wilderness.
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John 1:6-8
There was a man sent from God, whose name was John.
Nave's Topical Index—AKJV