Adam Wenceslaus, Duke of Cieszyn

Adam Wenceslaus of Cieszyn (Polish: Adam Wacław Cieszyński, Czech: Adam Václav Těšínský, German: Adam Wenzel von Teschen; 12 December 1574 – 13 July 1617), was a Duke of Cieszyn from 1579 until his death.

He was the second but only surviving son of Wenceslaus III Adam, Duke of Cieszyn, by his second wife Sidonia Katharina, daughter of Francis I, Duke of Saxe-Lauenburg. His older half-brother, Frederick Casimir, only son of Wenceslaus III Adam's first marriage, died a few years before he was born, in 1571.

After his father's death in 1579, Adam Wenceslaus inherited the Duchy of Cieszyn; but because he was a minor at that time, the regency was held by his mother and the Dukes George II of Brzeg and Karl II of Ziębice. This triple regency continued until 1586, when the Dowager Duchess Sidonia Katharina remarried with the Hungarian nobleman Imre III Forgach, Obergespan [Count] of Trenčín (17 February) and the eldest regent, Duke George II of Brzeg, died (7 May). Despite her new marriage, Sidonia Katharina retained her influence in Cieszyn. Duke Karl II of Ziębice ruled since them as sole regent.

In 1586 Cieszyn Silesia suffered a very serious epidemic of plague who caused the death of several residents of the Duchy. One year later, in 1587, Cieszyn became in the center of the fight between Piastów other scourge for example, in 1587 the area became a duchy terrain fighting between the Archduke Maximilian III of Austria and Jan Zamoyski during the War of the Polish Succession.

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