Charles William Ferdinand, Duke of Brunswick
Charles William Ferdinand, Duke of Brunswick-Lüneburg, Prince of Brunswick-Wolfenbüttel (9 October 1735 – 10 November 1806) was the Prince of Brunswick-Wolfenbüttel and Duke of Brunswick-Lüneburg and a military leader.
His titles are usually shortened to Duke of Brunswick in English-language sources.
He succeeded his father as sovereign prince of the Principality of Brunswick-Wolfenbüttel, one of the princely states of the Holy Roman Empire.
The duke was a cultured and benevolent despot in the model of Frederick the Great, and was married to Princess Augusta, a sister of George III of Great Britain.
He was also a recognized master of 18th century warfare, serving as a Field Marshal in the Prussian Army.
During the Napoleonic Wars, he was mortally wounded by a musket ball at the Battle of Jena–Auerstedt in 1806.
Elisabeth of Brunswick-Wolfenbüttel, Duchess of Saxe-Altenburg
Elisabeth of Brunswick- Wolfenbüttel( 23 June 1593 – 25 March 1650) was a princess of Brunswick- Wolfenbüttel and by marriage Duchess of Saxe- Altenburg.
Catherine of Brunswick-Wolfenbüttel, Duchess of Saxe-Lauenburg
Catherine of Brunswick- Wolfenbüttel( 1488 – 29 June 1563, Neuhaus upon Elbe) was a member of the house of Welf and a Princess of Brunswick- Wolfenbüttel and by marriage Duchess of Saxe- Lauenburg.
Princess Sophie Caroline of Brunswick-Wolfenbüttel
Duchess Sophie Caroline Marie of Brunswick-Wolfenbüttel (7 October 1737 – 22 December 1817) was Margravine of Brandenburg-Bayreuth by marriage to Frederick, Margrave of Brandenburg-Bayreuth.
She was the eldest daughter of Charles I, Duke of Brunswick-Wolfenbüttel, and his wife, Philippine Charlotte of Prussia, sister of Frederick the Great.
Princess Antoinette of Brunswick-Wolfenbüttel
Antoinette of Brunswick-Wolfenbüttel (Antoinette Amalie; 14 April 1696 – 6 March 1762) was a Duchess of Brunswick-Wolfenbüttel by marriage to Ferdinand Albert II of Brunswick-Wolfenbüttel.
She was the mother of the Queen of Prussia, the Duchess of Saxe-Coburg-Saalfeld and the Queen of Denmark and Norway.
Hedwig of Brunswick-Wolfenbüttel
Hedwig of Brunswick- Wolfenbüttel( 9 February 1595 in Wolfenbüttel – 26 June 1650 in Szczecinek), was a princess of Brunswick- Wolfenbüttel by birth and the Duchess of Pomerania by marriage.
Charles I, Duke of Brunswick-Wolfenbüttel
Charles (German: "Karl"; 1 August 1713, Braunschweig – 26 March 1780, Braunschweig), Duke of Brunswick-Lüneburg (Bevern line), reigned as Prince of Brunswick-Wolfenbüttel from 1735 until his death.
Duchess Luise of Brunswick-Wolfenbüttel
Luise of Brunswick- Wolfenbüttel( Luise Amalie; 29 January 1722 – 13 January 1780) was daughter of Ferdinand Albert II, Duke of Brunswick- Wolfenbüttel and his wife Duchess Antoinette of Brunswick- Wolfenbüttel.
Karl Georg August, Hereditary Prince of Brunswick-Wolfenbüttel
Karl Georg August, Hereditary Prince of Brunswick-Wolfenbüttel (8 February 1766 in London – 20 September 1806 in Antoinettenruh) was the heir to the Duchy of Brunswick as the eldest son of Charles William Ferdinand, Duke of Brunswick-Wolfenbüttel and Princess Augusta of Great Britain.
Leopold of Brunswick-Wolfenbüttel
Maximilian Julius Leopold of Brunswick- Wolfenbüttel, prince of Brunswick- Wolfenbüttel and nominal duke of Brunswick and Lüneburg( 12 October 1752, Wolfenbüttel- 27 April 1785, Frankfurt) was a Prussian general.

Question: Which country Princess Sophie Caroline Of Brunswick-Wolfenbüttel's father is from?