John Sigismund, Elector of Brandenburg
Encyclopedia
Prince-elector
The Prince-electors of the Holy Roman Empire were the members of the electoral college of the Holy Roman Empire, having the function of electing the Roman king or, from the middle of the 16th century onwards, directly the Holy Roman Emperor.The heir-apparent to a prince-elector was known as an...
of the Margraviate of Brandenburg
Margraviate of Brandenburg
The Margraviate of Brandenburg was a major principality of the Holy Roman Empire from 1157 to 1806. Also known as the March of Brandenburg , it played a pivotal role in the history of Germany and Central Europe....
from the House of Hohenzollern
House of Hohenzollern
The House of Hohenzollern is a noble family and royal dynasty of electors, kings and emperors of Prussia, Germany and Romania. It originated in the area around the town of Hechingen in Swabia during the 11th century. They took their name from their ancestral home, the Burg Hohenzollern castle near...
. He also served as a Duke of Prussia.
Elector of Brandenburg and Duke of Prussia
John Sigismund was born in Halle an der SaaleHalle, Saxony-Anhalt
Halle is the largest city in the German state of Saxony-Anhalt. It is also called Halle an der Saale in order to distinguish it from the town of Halle in North Rhine-Westphalia...
to Joachim Frederick, Elector of Brandenburg
Joachim Frederick, Elector of Brandenburg
Joachim III Frederick , of the House of Hohenzollern, was Prince-elector of the Margraviate of Brandenburg from 1598 until his death.-Biography:...
, and his first wife Catherine of Brandenburg-Küstrin
Catherine of Brandenburg-Küstrin
Catherine of Brandenburg-Küstrin was a Princess of Brandenburg-Küstrin by birth and Electress of Brandenburg by marriage.- Life :...
. He succeeded his father as Margrave of Brandenburg in 1608. In 1611, John Sigismund traveled from Köningsberg to Warsaw
Warsaw
Warsaw is the capital and largest city of Poland. It is located on the Vistula River, roughly from the Baltic Sea and from the Carpathian Mountains. Its population in 2010 was estimated at 1,716,855 residents with a greater metropolitan area of 2,631,902 residents, making Warsaw the 10th most...
, where on 16 November 1611 he gave feudal homage to Sigismund II Augustus
Sigismund II Augustus
Sigismund II Augustus I was King of Poland and Grand Duke of Lithuania, the only son of Sigismund I the Old, whom Sigismund II succeeded in 1548...
, King of Poland (the Duchy of Prussia was a Polish fief at the time). He officially became Duke of Prussia in 1618, although he had served as regent on behalf of the mentally-disturbed Albert Frederick, Duke of Prussia
Albert Frederick, Duke of Prussia
Albert Frederick was duke of Prussia from 1568 until his death. He was a son of Albert of Prussia and Anna Marie of Brunswick-Lüneburg. He was the second and last Prussian duke of the Ansbach branch of the Hohenzollern family.-Duke of Prussia:...
, for several years prior. Albert Frederick died in the following year.
John Sigismund gave the Reichshof Castrop
Castrop
Castrop, since 1 April 1926, is part of Castrop-Rauxel, North Rhine-Westphalia, Germany.The name comes from trop/torp for village and chasto/kast for shed. The oldest mention is from 834 as Villa Castrop....
to his teacher and educator Carl Friedrich von Bordelius, whereas he received the territories of Cleves
Duchy of Cleves
The Duchy of Cleves was a State of the Holy Roman Empire. It was situated in the northern Rhineland on both sides of the Lower Rhine, around its capital Cleves and the town of Wesel, bordering the lands of the Prince-Bishopric of Münster in the east and the Duchy of Brabant in the west...
, Mark, and Ravensberg in the Treaty of Xanten
Treaty of Xanten
The Treaty of Xanten was signed in the Lower Rhine town of Xanten on November 12, 1614 between Wolfgang William, Duke of Palatinate-Neuburg and John Sigismund, Elector of Brandenburg, with representatives from England and France serving as mediators....
in 1614.
Religious policy
John Sigismund's most significant action was his conversion from LutheranismLutheranism
Lutheranism is a major branch of Western Christianity that identifies with the theology of Martin Luther, a German reformer. Luther's efforts to reform the theology and practice of the church launched the Protestant Reformation...
to Calvinism
Calvinism
Calvinism is a Protestant theological system and an approach to the Christian life...
, after he had earlier equalized the rights of Catholics and Protestants in the Duchy of Prussia under pressure from the King of Poland. He was probably won over to Calvinism during a visit to Heidelberg
Heidelberg
-Early history:Between 600,000 and 200,000 years ago, "Heidelberg Man" died at nearby Mauer. His jaw bone was discovered in 1907; with scientific dating, his remains were determined to be the earliest evidence of human life in Europe. In the 5th century BC, a Celtic fortress of refuge and place of...
in 1606, but it was not until 1613 that he publicly took communion
Eucharist
The Eucharist , also called Holy Communion, the Sacrament of the Altar, the Blessed Sacrament, the Lord's Supper, and other names, is a Christian sacrament or ordinance...
according to the Calvinist rite. The vast majority of his subjects in Brandenburg, including his wife Anna of Prussia, remained deeply Lutheran, however. After the Elector and his Calvinist court officials drew up plans for mass conversion of the population to the new faith in February 1614, as provided for by the rule of Cuius regio, eius religio
Cuius regio, eius religio
Cuius regio, eius religio is a phrase in Latin translated as "Whose realm, his religion", meaning the religion of the ruler dictated the religion of the ruled...
within the Holy Roman Empire
Holy Roman Empire
The Holy Roman Empire was a realm that existed from 962 to 1806 in Central Europe.It was ruled by the Holy Roman Emperor. Its character changed during the Middle Ages and the Early Modern period, when the power of the emperor gradually weakened in favour of the princes...
, there were serious protests, with his wife backing the Lutherans. Resistance was so strong that in 1615, John Sigismund backed down and relinquished all attempts at forcible conversion. Instead, he allowed his subjects to be either Lutheran or Calvinist according to the dictates of their own consciences. Henceforward, Brandenburg-Prussia would be a bi-confessional state.
Family and children
On 30 October 1594, John Sigismund married Anna of Prussia, daughter of Albert Frederick, Duke of PrussiaAlbert Frederick, Duke of Prussia
Albert Frederick was duke of Prussia from 1568 until his death. He was a son of Albert of Prussia and Anna Marie of Brunswick-Lüneburg. He was the second and last Prussian duke of the Ansbach branch of the Hohenzollern family.-Duke of Prussia:...
(1553–1618). They were parents to eight children:
- George WilliamGeorge William, Elector of BrandenburgGeorge William of Brandenburg , of the Hohenzollern dynasty, was margrave and elector of Brandenburg and duke of Prussia from 1619 until his death. His reign was marked by ineffective governance during the Thirty Years' War...
(13 November 1595 – 1 December 1640). His successor. - Anne Sophia of Brandenburg (15 March 1598 – 19 December 1659). Married Frederick Ulrich, Duke of Brunswick-LüneburgFrederick Ulrich, Duke of Brunswick-LüneburgFrederick Ulrich , Duke of Brunswick-Lüneburg, was prince of Wolfenbüttel from 1613 until his death....
. - Maria Eleonora of BrandenburgMaria Eleonora of BrandenburgMaria Eleonora of Brandenburg was a German princess and queen consort of Sweden.She was the daughter of John Sigismund, Elector of Brandenburg, and Anna, Duchess of Prussia, daughter of Albert Frederick, Duke of Prussia....
(11 November 1599 – 28 March 1655). Married Gustavus Adolphus of SwedenGustavus Adolphus of SwedenGustav II Adolf has been widely known in English by his Latinized name Gustavus Adolphus Magnus and variously in historical writings also as Gustavus, or Gustavus the Great, or Gustav Adolph the Great,...
. They were parents of Christina of SwedenChristina of SwedenChristina , later adopted the name Christina Alexandra, was Queen regnant of Swedes, Goths and Vandals, Grand Princess of Finland, and Duchess of Ingria, Estonia, Livonia and Karelia, from 1633 to 1654. She was the only surviving legitimate child of King Gustav II Adolph and his wife Maria Eleonora...
. - Catherine of BrandenburgCatherine of BrandenburgCatherine of Brandenburg was ruler of Transylvania between 1629 and 1630.She was the daughter of John Sigismund, Elector of Brandenburg and Anne of Prussia....
(28 May 1602 – 27 August 1644). Married first Gabriel BethlenGabriel BethlenGabriel Bethlen was a prince of Transylvania , duke of Opole and leader of an anti-Habsburg insurrection in the Habsburg Royal Hungary. His last armed intervention in 1626 was part of the Thirty Years' War...
, Prince of Transylvania and secondly Franz Karl of Saxe-Lauenburg. - Joachim Sigismund of Brandenburg (25 July 1603 – 22 February 1625).
- Agnes of Brandenburg (31 August 1606 – 12 March 1607).
- John Frederick of Brandenburg (18 August 1607 – 1 March 1608).
- Albrecht Christian of Brandenburg (7 March – 14 March 1609).