Swiss politician who led hostilities against Zürich during the first civil wars of the Swiss Confederation (1439–40; 1443–50).

As Landammann (chief executive) of Schwyz (1412–44), Reding virtually controlled political life in the canton for over 30 years. In the affairs of the confederation he took an active role, often as an arbitrator. In 1415 he obtained for Schwyz juridical rights in Waldstatt, the March, and Küssnacht from the emperor Sigismund of Austria. His quarrel on behalf of Schwyz and Glarus with Rudolf Stüssi of Zürich over the landed inheritance of the last count of Toggenburg, Frederick VII, led ultimately to civil war within the confederation. In 1440 and again in 1443 Reding directed the war policy of the united cantons against Zürich and, despite his advanced age, saw service on the battlefield as well. He headed the siege of the fortress at Greifensee (May 1444) and is considered to have been primarily responsible for the infamous massacre of its surviving defenders.