Sigismund III of Poland

King Sigismund III of Poland, Sigismund of Sweden (June 20, 1566 O.S. ? April 19, 1632), was the son of King John III of Sweden (1537 ? 1592), of the House of Vasa, and his first wife Catherine Jagellonica of Poland (1526 ? 1583). He ruled in Polish-Lithuanian Commonwealth, where he was known as Zygmunt III Waza, from 1587 to 1632 and in Sweden, where he was known as Sigismund Vasa, from 1592 until he was deposed in 1599. Since he was elected to the Polish throne he wanted to create a personal union between the Commonwealth and Sweden. After he was deposed from the Swedish throne he concentrated on attempts to reclaim the Swedish crown. His reign started a series of wars between the Commonwealth and Sweden lasting until 1660s.

Royal titles

• Royal titles in Latin: Sigismundus Tertius Dei gratia rex Poloniæ, magnus dux Lithuaniæ, Russiæ, Prussiæ, Masoviæ, Samogitiæ, Livoniæque, necnon Suecorum, Gothorum Vandalorumque hæreditarius rex
• English translation: Sigismund III by God's grace king of Poland, grand duke of Lithuania, Ruthenia, Prussia, Masovia, Samogitia, Livonia, and also hereditary king of the Swedes, Goths and Vandals.

Sigismund Waza-Jagellon (1566-1632) was elected King of Poland and reigned 1587-1632. By paternal inheritance, he succeeded 1592 as King of Sweden and was regarded as having abdicated 1599 and finally deposed 1604. He was a heir to the title King of Jerusalem.

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