Bona Sforza (*1494 – †1557), Queen of Poland and Grand Duchess of Lithuania (1518-1557); the second wife of Sigismund I Jagiellon; Duchess of Bari and Rossano; daughter of Gian Galeazzo Sforza of Milan and Isabella of Aragon⌊BonaBona Sforza (*1494 – †1557), Queen of Poland and Grand Duchess of Lithuania (1518-1557); the second wife of Sigismund I Jagiellon; Duchess of Bari and Rossano; daughter of Gian Galeazzo Sforza of Milan and Isabella of Aragon⌋ Dei gratia regina Poland (Kingdom of Poland, Polonia)⌊PoloniaePoland (Kingdom of Poland, Polonia)⌋, suprema dux Lithuania⌊LituaniaeLithuania⌋, Rus (Russia)⌊RussiaeRus (Russia)⌋, Prussia, region in central Europe, bordered by Pomerania, Poland, Lithuania and Livonia. From 1466 Prussia was divided into Royal Prussia (Prussia Regalis), which was a part of the Kingdom of Poland, and Teutonic Prussia (Prussia Ordinis Theutonici) – covering the remnants of the former territory of the Teutonic Order’s state in Prussia. In 1525, the Order’s last Grand Master, Albrecht von Hohenzollern, converted to Lutheranism and became the first lay duke in former Teutonic Prussia (dux in Prussia), which from then on was called Ducal Prussia (Prussia Ducalis). At that time, as a result of the treaty of Cracow, Ducal Prussia became a fief of the kings of Poland⌊PrussiaePrussia, region in central Europe, bordered by Pomerania, Poland, Lithuania and Livonia. From 1466 Prussia was divided into Royal Prussia (Prussia Regalis), which was a part of the Kingdom of Poland, and Teutonic Prussia (Prussia Ordinis Theutonici) – covering the remnants of the former territory of the Teutonic Order’s state in Prussia. In 1525, the Order’s last Grand Master, Albrecht von Hohenzollern, converted to Lutheranism and became the first lay duke in former Teutonic Prussia (dux in Prussia), which from then on was called Ducal Prussia (Prussia Ducalis). At that time, as a result of the treaty of Cracow, Ducal Prussia became a fief of the kings of Poland⌋, Mazowsze (Masovia) historic region in Central Poland, before 1526 an autonomous duchy and feud of the Kingdom of Poland, from 1526 included in the Kingdom⌊MasoviaeMazowsze (Masovia) historic region in Central Poland, before 1526 an autonomous duchy and feud of the Kingdom of Poland, from 1526 included in the Kingdom⌋ etc. domina

Reverendissime in Christo Pater sincere nobis dilecte.

Litteras Paternitatis Vestrae, quotienscumque ad nos perferuntur, libenter legimus ex illisque novitates externarum nationum, quas nobis perscribit, libenter et grato animo intelligimus. Hortamur denique illam coeptam operam non intermittat, ad nos frequentius scribat ac novarum rerum, si quae emerserint digneque ad notitiam nostram fuerint, nos participes efficiat. Rem nobis gratam Paternitas Vestra factura. Quam bene valere cupimus.

Datae in Zator, town in southern Poland, Małopolska, 38 km W of Cracow⌊ZathorZator, town in southern Poland, Małopolska, 38 km W of Cracow⌋, die XVI Iunii anno Domini MDXLVII-mo.

Ex mandato proprio sacrae reginalis maiestatis