King James Bible
Saying, The scribes and the Pharisees sit in Moses' seat:

New King James Version
saying: “The scribes and the Pharisees sit in Moses’ seat.

American Standard Version
saying, The scribes and the Pharisees sit on Moses seat:

Berean Study Bible
“The scribes and Pharisees sit in Moses’ seat.

Douay-Rheims Bible
Saying: The scribes and the Pharisees have sitten on the chair of Moses.

English Revised Version
saying, The scribes and the Pharisees sit on Moses' seat:

World English Bible
saying, "The scribes and the Pharisees sat on Moses' seat.

Young's Literal Translation
saying, 'On the seat of Moses sat down the scribes and the Pharisees;

Matthew 23:2 Additional Translations ...