Hermann, Prince of Wied
Hermann, Prince of Wied( 22 May 18145 March 1864) was a German nobleman, elder son of Johann August Karl, Prince of Wied.
He was the father of Queen Elisabeth of Romania and grandfather of William, Prince of Albania.
Karl, Prince of Leiningen
Karl, Prince of Leiningen (13 February 18982 August 1946) was the son of Emich, 5th Prince of Leiningen.
He was the 6th Prince of Leiningen from 1939 until his death.
Princess Feodora of Leiningen
Princess Feodora of Leiningen (Anna Feodora Auguste Charlotte Wilhelmine; 7 December 1807 – 23 September 1872) was the only daughter of Emich Carl, Prince of Leiningen (1763–1814), and Princess Victoria of Saxe-Coburg-Saalfeld (1786–1861).
Feodora and her older brother Carl, 3rd Prince of Leiningen, were maternal half-siblings to Queen Victoria of the United Kingdom.
She is a matrilineal ancestress of Carl XVI Gustaf of Sweden and of Felipe VI of Spain.
Carl, 3rd Prince of Leiningen
Carl, Prince of Leiningen, KG
( Carl Friedrich Wilhelm Emich; 12 September 1804 – 13 November 1856) was the third Prince of Leiningen and maternal half- brother of Queen Victoria.
Leiningen served as a Bavarian lieutenant general, before he briefly played an important role in German politics as the first Prime Minister of the" Provisorische Zentralgewalt" government formed by the Frankfurt Parliament in 1848.
Agnes of Leiningen
Agnes of Leiningen( died after December 1299) was a countess of the House of Leiningen and by marriage Countess of Nassau.
She was probably Regent of the County of Nassau for some time for her youngest son.
Emich, 5th Prince of Leiningen
Emich, 5th Prince of Leiningen (18 January 1866 – 18 July 1939) was the son of Ernst Leopold, 4th Prince of Leiningen.
He was 5th Prince of Leiningen from 1904 to 1918, and afterwards titular Prince of Leiningen from 1918 until his death.
Princess Margarita of Leiningen
Princess Margarita of Leiningen( Full German name:" Margarita Ileana Viktoria Alexandra Prinzessin zu Leiningen")( born 9 May 1932 in Coburg, Bavaria, Germany; committed suicide on 16 June 1994 in Überlingen, Baden- Württemberg, Germany) was a Princess of Leiningen by birth and the Princess of Hohenzollern by marriage.
Margarita was the fourth child and second- eldest daughter of Karl, 6th Prince of Leiningen and his wife Grand Duchess Maria Kirillovna of Russia.
Margarita was the Princess consort of Hohenzollern 6 February 1966 – 16 June 1994.
Andreas, Prince of Leiningen
Andreas, Prince of Leiningen ("Andreas Fürst zu Leiningen"; born 27 November 1955) is the current head of the Princely House of Leiningen.
He is the son of Emich Kyrill, Prince of Leiningen, and Duchess Eilika of Oldenburg.
His older brother Prince Karl Emich of Leiningen lost his rights to succeed as head of the house as a result of his unequal second marriage.
His paternal grandmother, Grand Duchess Maria Kirillovna of Russia, was the eldest daughter of Kirill Vladimirovich, Grand Duke of Russia (first claimant to the throne of Russia and a grandson of Alexander II of Russia) and Princess Victoria Melita of Edinburgh (granddaughter of Alexander II of Russia).
Because of this, he is in the line of succession to the former Russian throne.
His great-great-great grandfather, Carl Friedrich Wilhelm Emich, 3rd Prince of Leiningen, was the elder half-brother of Queen Victoria.
Through his father, he is also a direct descendant (specifically a great-great-great-grandson) of Queen Victoria, through her granddaughter, Princess Victoria Melita of Edinburgh, whose second husband was Grand Duke Kirill Vladimirovich.
Because of this, he is in the line of succession to the British Throne.
He married Princess Alexandra of Hanover on 5 October 1981.
They have three children:
Carl Friedrich Wilhelm, 1st Prince of Leiningen
Carl Friedrich Wilhelm, Prince of Leiningen( 14 August 1724 – 9 January 1807) was a German nobleman.
( See" Fürst" for the difference between it and the other princely title," Prinz".)
He was the eldest son of Friedrich Magnus, Count of Leiningen- Dagsburg- Hartenburg and his wife Countess Anna Christine Eleonore von Wurmbrand- Stuppach, and succeeded his father on the latter's death, 28 October 1756.
On 3 July 1779, he was made a Prince of the Holy Roman Empire, becoming the first Prince of Leiningen.
On 24 June 1749, he married his first cousin Christiane Wilhelmine Luise, daughter of Wilhelm Carl Ludwig, Count of Solms- Rödelheim and Assenheim, by his wife Countess Maria Margareta Leopolda von Wurmbrand- Stuppach.
She died on 6 January 1803, having borne him a son and three daughters:
In 1801, he was deprived of his lands on the left bank of the Rhine, namely Hardenburg, Dagsburg and Durkheim, by France, but in 1803 received the secularized Amorbach Abbey as an ample compensation for these losses.
Hitherto his titles were:" Imperial Prince of Leiningen, Count palatine of Mosbach, Count of Düren, Lord of Miltenberg, Amorbach, Bischofsheim, Boxberg, Schüpf and Lauda.
A few years later, the short- lived Principality of Leiningen at Amorbach was mediatized.
Maximilian Andreas of Dietrichstein
Maximilian Andreas of Dietrichstein( 14 April 1638 – 4 December 1692), was a German prince member of the House of Dietrichstein.
He was the eleventh child and fourth( but third surviving) son of Maximilian, 2nd Prince of Dietrichstein zu Nikolsburg, and his first wife Anna Maria, a daughter of Karl I, Prince of Liechtenstein and Duke of Troppau and Jägerndorf.

Question: Who is the paternal grandfather of Karl, Prince Of Leiningen?
Answer: Ernst Leopold, 4th Prince of Leiningen