Berean Study Bible
Before the arrival of Jesus, John preached a baptism of repentance to all the people of Israel.

King James Bible
When John had first preached before his coming the baptism of repentance to all the people of Israel.

American Standard Version
when John had first preached before his coming the baptism of repentance to all the people of Israel.

Darby Bible Translation
John having proclaimed before the face of his entry [among the people] [the] baptism of repentance to all the people of Israel.

Douay-Rheims Bible
John first preaching, before his coming, the baptism of penance to all the people of Israel.

English Revised Version
when John had first preached before his coming the baptism of repentance to all the people of Israel.

Young's Literal Translation
John having first preached, before his coming, a baptism of reformation to all the people of Israel;