This study presents an analytical probe into the field of beverage culture as it was cultivated in the late 15th and early 16th century at the courts of the descendants of the Polish -Lithuanian ruler Casimir IV († 1492) of the Jagiellonian dynasty: the Czech and Hungarian king Vladislaus († 1516), his son, the Czech and Hungarian king Louis († 1526), and then his brothers, the Polish king John Albert († 1501), the grand duke of Lithuania and later also the Polish king Alexander († 1506) and the future Polish -Lithuanian ruler (the then Duke of Opava and Głogów and the governor of Silesia and Lusatia) Sigismund († 1548). The starting point of the research was a comprehensive analysis of rare, preserved account books kept at the courts of these monarchs. This study describes the various types of beverages con-sumed (especially wine and beer) both in the social and geographic context. In addition, it also includes the sphere of consumers‘ taste preferences.