Konrad, Prince of Saxe-Meiningen
Konrad, Prince of Saxe- Meiningen, Duke of Saxony
( Given names:
Full name:" Johann Friedrich Konrad Carl Eduard Horst Arnold Matthias Prinz von Sachsen- Meiningen Herzog zu Sachsen"; born 14 April 1952) is a German businessman and the current head of the Ducal House of Saxe- Meiningen.
Prince Rainer of Saxe-Coburg and Gotha
Prince Rainer
Maria Joseph Florian Ignatius Michael Gabriel Raphael Gonzaga of Saxe- Coburg and Gotha, in German:" Rainer Maria Joseph Florian Ignatius Michael Gabriel Raphael Gonzaga, Prinz von Sachsen- Coburg und Gotha"( 4 May 1900 in Pola – after 7 January 1945).
Cadet of a reigning German dynasty, Prince Rainer was the head of the House of Saxe- Coburg and Gotha- Koháry branch of the House of Wettin, heir in the female line of one of the oldest and wealthiest families of the Hungarian nobility.
He is believed to have been killed in action at Budapest in 1945.
Prince Josias of Saxe-Coburg-Saalfeld
Prince Frederick Josias of Saxe- Coburg- Saalfeld( German" Friedrich Josias von Sachsen- Coburg- Saalfeld")( 26 December 1737 – 26 February 1815) was a general in the Austrian service.
Hubertus Prinz von Sachsen-Coburg und Gotha
Hubertus Prinz von Sachsen- Coburg und Gotha( Hubertus Alexis Richard Ernst Eduard; born 8 December 1961) is the eldest son of Ernst- Leopold Prinz von Sachsen- Coburg und Gotha(" aka" Prince Ernst Leopold of Saxe- Coburg and Gotha) and his first wife, Ingeborg Henig.
Ernst, Prince of Saxe-Meiningen
Ernst, Prince of Saxe- Meiningen( Ernst, Prinz von Sachsen- Meiningen; 27 September 1859 – 29 December 1941) was the head of the house of Saxe- Meiningen from 1928 until his death.
Princess Clotilde of Saxe-Coburg and Gotha
Princess Marie Adelheid Amalie" Clotilde" of Saxe- Coburg and Gotha, full German name:" Marie Adelheid Amalie Clotilde, Prinzessin von Sachsen- Coburg und Gotha, Herzogin zu Sachsen"( 8 July 1846, Neuilly- sur- Seine, Île- de- France, Kingdom of the French – 3 June 1927, Alcsút, Hungary) was a Princess of Saxe- Coburg and Gotha by birth and an Archduchess of Austria through her marriage to Archduke Joseph Karl of Austria.
Johann Leopold, Hereditary Prince of Saxe-Coburg and Gotha
Johann Leopold, Hereditary Prince of Saxe-Coburg and Gotha (Johann Leopold William Albert Ferdinand Victor; 2 August 1906 – 4 May 1972) was the eldest son of Charles Edward, Duke of Saxe-Coburg and Gotha, and Princess Victoria Adelaide of Schleswig-Holstein-Sonderburg-Glücksburg.
Ernst Leopold Prinz von Sachsen-Coburg und Gotha
Ernst Leopold, Prinz of Saxe-Coburg and Gotha
(Ernst Leopold Eduard Wilhelm Josias; 14 January 1935 – 27 June 1996) was a Prince (German:), and the elder son of Johann Leopold, Hereditary Prince of Saxe-Coburg and Gotha and Baroness Feodora von der Horst.
Prince Friedrich Leopold of Prussia
Joachim Karl Wilhelm Friedrich Leopold Prinz von Preußen( 14 November 1865 in Berlin – 13 September 1931 Krojanke manor, Landkreis Flatow, Posen- West Prussia) was a son of Prince Frederick Charles of Prussia and Princess Maria Anna of Anhalt- Dessau, married in 1854.
Ernst Leopold, 4th Prince of Leiningen
Ernst Leopold, 4th Prince of Leiningen( 9 November 1830 – 5 April 1904) was a German nobleman who served with distinction in the British Royal Navy.

Question: Who is the paternal grandfather of Ernst Leopold Prinz Von Sachsen-Coburg Und Gotha?