Johann Adolf II (19 August 168514 May 1746) was the last duke of
Saxe-Weissenfels
Saxe-Weissenfels () was a Duchy of the Holy Roman Empire from 1656 until 1746 with its residence at Weißenfels. Ruled by a cadet branch of the Albertine House of Wettin, the duchy passed to the Electorate of Saxony upon the extinction of the line ...
from 1736 to 1746.
Following his death without surviving male issue, the Duchy returned to
Electoral Saxony
The Electorate of Saxony, also known as Electoral Saxony ( or ), was a territory of the Holy Roman Empire from 1356 to 1806 initially centred on Wittenberg that came to include areas around the cities of Dresden, Leipzig and Chemnitz. It was a ...
.
Johann Adolf was also a commander in the
Saxon Army.
Life
Johann Adolf was born in
Weissenfels on 19 August 1685, the third surviving son of
Johann Adolf I, Duke of Saxe-Weissenfels and his first wife,
Johanna Magdalena of Saxe-Altenburg. He inherited the Duchy of Saxe-Weissenfels in 1736, following the death of his older brother Christian, who had no children.
In the
War of the Polish Succession
The War of the Polish Succession (; 1733–35) was a major European conflict sparked by a civil war in the Polish–Lithuanian Commonwealth over the succession to Augustus II the Strong, which the other European powers widened in pursuit of ...
, Johann Adolf led Saxon troops into
Poland
Poland, officially the Republic of Poland, is a country in Central Europe. It extends from the Baltic Sea in the north to the Sudetes and Carpathian Mountains in the south, bordered by Lithuania and Russia to the northeast, Belarus and Ukrai ...
(October 1733). For the next three years, the Saxon army remained mainly in southern Poland, until the coronation of the Elector
Frederick August II of Saxony as King of Poland after the defeat of
Stanisław Leszczyński
Stanisław I Leszczyński (Stanisław Bogusław; 20 October 1677 – 23 February 1766), also Anglicized and Latinized as Stanislaus I, was twice King of Poland and Grand Duke of Lithuania, and at various times Prince of Deux-Ponts, Duk ...
, the rival candidate for the Polish throne. That same year, Johann Adolf inherited Saxe-Weissenfels when his brother Christian died without children.
During the
Second Silesian War, Prussian troops crossed the Saxon border, and
Saxony
Saxony, officially the Free State of Saxony, is a landlocked state of Germany, bordering the states of Brandenburg, Saxony-Anhalt, Thuringia, and Bavaria, as well as the countries of Poland and the Czech Republic. Its capital is Dresden, and ...
and
Austria
Austria, formally the Republic of Austria, is a landlocked country in Central Europe, lying in the Eastern Alps. It is a federation of nine Federal states of Austria, states, of which the capital Vienna is the List of largest cities in Aust ...
agreed to proceed together against
Prussia
Prussia (; ; Old Prussian: ''Prūsija'') was a Germans, German state centred on the North European Plain that originated from the 1525 secularization of the Prussia (region), Prussian part of the State of the Teutonic Order. For centuries, ...
. Saxon troops planned to cut off the Prussians in northern
Silesia
Silesia (see names #Etymology, below) is a historical region of Central Europe that lies mostly within Poland, with small parts in the Czech Silesia, Czech Republic and Germany. Its area is approximately , and the population is estimated at 8, ...
, while Austrian troops would advance from the south. But in June 1745, they were defeated at the
Battle of Hohenfriedberg. Johann Adolf planned a new offensive campaign in September 1745, but he changed his mind two weeks later. Because of this, he was replaced as commander-in-chief by Count
Frederick August Rutowski, an illegitimate half-brother of the King-Elector.
After the
Battle of Kesselsdorf
The Battle of Kesselsdorf was fought on 15 December 1745, between the Kingdom of Prussia and the combined forces of the Archduchy of Austria and the Electorate of Saxony during the part of the War of the Austrian Succession known as the Second Si ...
, the Elector removed his half-brother Rutowski as commander-in-chief and reinstated Johann Adolf, who began his duties as commander on 1 December 1745. Additionally, he was appointed chief of the Saxon government during the absence of the Elector and the Minister
Heinrich of Brühl.
Johann Adolf retreated with the Saxon troops to Bohemia. Five months later, he suffered a heart attack and died at age sixty-one.
Marriages and Issue

In
Eisenach
Eisenach () is a Town#Germany, town in Thuringia, Germany with 42,000 inhabitants, west of Erfurt, southeast of Kassel and northeast of Frankfurt. It is the main urban centre of western Thuringia, and bordering northeastern Hesse, Hessian re ...
on 9 May 1721, Johann Adolf married Johannette Antoinette Juliane of Saxe-Eisenach. They had one son:
#Frederick Johann Adolf (b.
Dahme, 26 May 1722 – d. Dahme, 10 July 1724).
In
Altenburg
Altenburg () is a city in Thuringia, Germany, located south of Leipzig, west of Dresden and east of Erfurt. It is the capital of the Altenburger Land district and part of a polycentric old-industrial textile and metal production region betw ...
on 27 November 1734, Johann Adolf married for a second time to
Fredericka of Saxe-Gotha-Altenburg. They had five children:
#Karl Frederick Adolf, Hereditary Prince of Saxe-Weissenfels (b. Weissenfels, 7 June 1736 – d. Weissenfels, 24 March 1737).
#Johann Adolf, Hereditary Prince of Saxe-Weissenfels (b. Weissenfels, 27 June 1738 – d. Weissenfels, 21 October 1738).
#August Adolf, Hereditary Prince of Saxe-Weissenfels (b. Weissenfels, 6 June 1739 – d. Weissenfels, 7 June 1740).
#Johann Georg Adolf, Hereditary Prince of Saxe-Weissenfels (b. Weissenfels, 17 May 1740 – d. Weissenfels, 10 July 1740).
#Fredericka Adolfine (b. Weissenfels, 27 December 1741 – d.
Langensalza, 4 July 1751).
He was the last member of the line of Saxe-Weissenfels. After his death without surviving male issue, his lands passed to the Electorate of Saxony, from which they had been extracted in 1657 under the terms of the will of
John George I, Elector of Saxony
John George I (5 March 1585 – 8 October 1656) was Elector of Saxony from 1611 to 1656. He led Saxony through the Thirty Years' War, which dominated his 45-year reign.
Biography
Born in Dresden, John George was the second son of the Elector C ...
.
References
External links
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{{DEFAULTSORT:Johann Adolf 02, Duke of Saxe-Weissenfels
1685 births
1746 deaths
House of Saxe-Weissenfels
People from Weißenfels
Field marshals of Saxony
Weissenfels, Johann Adolf II, Duke of Saxe
Weissenfels, Johann Adolf II, Duke of Saxe
Dukes of Saxe-Weissenfels
Knights of the Garter
Generals of the Holy Roman Empire
People of the Silesian Wars
Albertine branch
Recipients of the Order of the White Eagle (Poland)
Military personnel from Saxony-Anhalt