Deputy Senate President, Ike Ekweremadu, lead 11 other senators to accompany Senate President, Bukola Saraki, to the Code of Conduct Tribunal.
Saraki, is being prosecuted on a 13-count charge of alleged false declaration of assets while he was governor of Kwara state.
He is appearing before the Danladi Umar-led Tribunal.
The tribunal has barred live coverage of the proceedings.