Przemysław I Noszak (, , ; 13 February 1334 – 23 May 1410), was a Duke of Cieszyn-Bytom-Siewierz from 1358 (during 1359–1368 he lost Siewierz and in 1405 also lost Bytom), from 1384 ruler over half of both Głogów and Ścinawa (except during 1404–1406) and after 1401 ruler over Toszek.
He was the third son of Casimir I, Duke of Cieszyn, by his wife Euphemia, daughter of Duke Trojden I of Czersk-Warsaw.
Life
At first, it seemed that Przemysław had no better chance of getting any part of his father's inheritance; however, the early deaths of his older brothers Władysław (in 1355) and Bolesław (in 1356) made him the main heir of Duke Casimir I.
From 1355 Przemysław began his political life at the court of Emperor Charles IV, where a year later he received the dignity of court judge after the death of his brother Władysław. After his father's death in 1358 he took full control over Cieszyn, without interrupting his diplomatic career.
His marriage to Elisabeth, daughter of Bolesław, Duke of Koźle-Bytom in 1360 give him additional rights over the half of Bytom taken by his father Casimir I in 1357. The dispute over these lands with the Dukes of Oleśnica was definitely resolved in 1358. Casimir I remained as legal guardian over the three daughters of the late Duke of Bytom: Elisabeth (Przemysław's future wife), Euphemia and Bolka, who had to renounce all their claims over half of Bytom and Koźle, so the Dukes of Cieszyn took almost the whole inheritance of Duke Bolesław (except Koźle and half of Bytom, which was taken by the Dukes of Oleśnica). Unfortunately, the acquisition of Bytom didn't last.
Przemysław quickly became one of the most important figures in the court of Prague, and Emperor Charles IV entrusted him with numerous (and sometimes very difficult) tasks. In 1361 he helped to conclude the agreement between Prague and the margraves of Brandenburg and was involved in the acquisition of the Wittelsbach's succession by Charles IV. Also, he successfully dismantled the alliance between the King Louis I of Hungary and the German princes. Przemysław's position was supported by the fact that he participated in the famous Congress of Wierzynek in Kraków.
In 1380 he was sent to Paris where he was supposed to help maintain the alliance between Bohemia and France. This mission was, however, unsuccessful. He also tried to negotiate the peace between England and France, who were engaged in the Hundred Years' War. Przemysław also negotiated the marriage of Princess Anne of Bohemia, Charles IV's daughter, to Richard II, King of England. His own daughter, Princess Margaret traveled to England with Anne as her lady-in-waiting. As a reward for the successful negotiations, the Duke of Cieszyn received from King Richard II an annual salary of 500 pounds. Thanks to the negotiations with England, the relations between Przemysław and Charles IV's successor, Wenceslaus IV, were considerably improved. The Bohemian king, who was also King of the Romans, appointed the Duke of Cieszyn as his Vicar in the German countries. In this new office, Przemysław's diplomatic skills were used in several disputes between various members of the local nobility, for example, in the peaces of Heidelberg and Koblenz and in 1389, during the negotiations about the borders between the Bohemian Kingdom and Meissen.
In the second half of the 1380s, Przemysław became active in the internal politics of Bohemia. In 1386 he acted as Governor of Bohemia when King Wenceslaus IV was abroad. Tensions between the local and foreign nobility escalated and he was eventually removed from his positions by the Bohemian nobility. His position was filled by Jan II of Iron, Duke of Racibórz. This resulted in a deep hostility between the two Dukes. The high point of this dispute was the murder of the Cieszyn Duke's eldest son Przemysław on 1 January 1406 in the town of Rybnik, during his return from Gliwice to Cieszyn, by a certain Martin Chrzan, who acted under instructions of Duke Jan II. The conflict was finally ended by a peace treaty signed on 7 November 1407 in Żory.
As a result of the unstable situation in Bohemia, banditry acts increased. Przemysław's diplomatic efforts resulted in a treaty with King Władysław II Jagiełło of Poland, signed on 12 June 1397, where both sides pledged to fight banditry in the borderlands. Przemysław gained the trust of the Polish king, who appointed him Governor of Kraków, where he remained until 1401. The Duke also took part in negotiations with the Polish Teutonic Knights in 1410, but without positive results.