Karl Günther, Prince of Schwarzburg-Sondershausen

Karl Gonthier, Prince of Schwarzburg-Sondershausen (7 August 1830 – 28 March 1909) was the ruler of the principality of Schwarzburg-Sondershausen, a constituent state of the German Empire, and head of the House of Schwarzburg from 17 July 1880 until his death.

Marriage
On 12 June 1869, he married Princess Marie Gasparine of Saxe-Altenburg, daughter of Prince Eduard of Saxe-Altenburg and Princess Louise Caroline Reuss of Greiz but they had no issue.

Titles and styles
7 August 1830 - 19 August 1835 His Serene Highness Prince Karl Gonthier of Schwarzburg-Sondershausen 19 August 1835 - 17 July 1880 His Serene Highness the Hereditary Prince of Schwarzburg-Sondershausen 17 July 1880 - 28 March 1909 His Serene Highness the Prince of Schwarzburg-Sondershausen

Honours

 * Ascanian duchies: Grand Cross of the Order of Albert the Bear, 2 August 1850
 * Kingdom of Bavaria: Knight of the Order of Saint Hubert, 1850
 * Kingdom of Prussia:
 * Knight of the Royal Order of the Crown, 1st Class, 14 June 1864
 * Knight of the Order of the Red Eagle, 3rd Class with Swords, 1866; Grand Cross with Swords on Ring, 5 April 1875
 * Member of Honour of the Johanniter Order, 1884; Knight of Honour, 24 September 1889
 * Knight of the Order of the Black Eagle, 3 November 1892
 * Oldenburg: Grand Cross of the House and Merit Order of Duke Peter Friedrich Ludwig, with Golden Crown, 9 June 1869
 * Mecklenburg: Grand Cross of the House Order of the Wendish Crown, with Crown in Ore, 25 January 1882
 * Württemberg: Grand Cross of the Order of the Württemberg Crown, 1889