Mark 1:5 in the King James Version
And there went out unto him all the land of Judæa, and they of Jerusalem, and were all baptized of him in the river of Jordan, confessing their sins.
Context
4 John came baptizing in the wilderness and preaching the baptism of repentance for forgiveness of sins.
5 All the country of Judea and all those of Jerusalem went out to him. They were baptized by him in the Jordan river, confessing their sins.
6 John was clothed with camel’s hair and a leather belt around his waist. He ate locusts and wild honey.