English coat of arms, William III, circa 1690 
HONI SOIT QVI MAL Y PENSE  
ye MEIN TIENDRAY   
BY THE LORDS-JUSTICES of IRELAND, A PROCLAMATION AGAINST DUELLING.  
CHARLES PORTER, THO: CONINGESBY.  
HIS Majesty being informed that heretofore Quarrels and Duels have frequently happened between the Officers and Soldiers of the Army in this Kingdom; and having thought fit in his Princely Care for their Preservation, and in order to prevent the same for the future, to Authorize and empower Us from time to time to Cashier all such Officers and Soldiers who shall sand, receive, or deliver any Challenge, or give any real Affront to any other, and further that such Officer or Officers so offending, shall likewise be declared incapable of any employment in His Majesties Service. We have therefore thought fit by this Our Proclamation to publish his Majesties said Will and Pleasure, And we do hereby strictly Charge and Command all and every of his Majesties Officers and Soldiers in his Army in this Kingdom, to comform themselves accordingly, as they tender His Majesties Displeasure, and their being Cashiered, and hereafter rendered incapable of any employment in his Majesties Service. Given at Their Majesties Castle of Dublin the 23th day of February, 1690. and in the Third Year of Their Majesties Reign.  
By the Lords-Justices Command JON DAVIS   

Dublin, Printed by Andrew Crook Assignee of Benjamin Took, Printer to the King and Queens most Excellent Majesties on Ormonde-Key.