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.
Hermann, Prince of Hohenlohe-Langenburg
Hermann Ernst Franz Bernhard, Prince of Hohenlohe- Langenburg( 31 August 1832 – 9 March 1913) was the 6th Prince of Hohenlohe- Langenburg and the second son of Ernst I, Prince of Hohenlohe- Langenburg and Princess Feodora of Leiningen( half- sister of Queen Victoria).
He succeeded to the title of Prince of Hohenlohe- Langenburg(" Fürst zu Hohenlohe- Langenburg") on 21 April 1860, when his elder brother signed over his rights to the throne.
He died on 9 March 1913 in Langenburg, Kingdom of Württemberg, German Empire( present- day Baden- Württemberg, Germany).
Princess Feodora of Hohenlohe-Langenburg
Princess Feodora of Hohenlohe- Langenburg( Feodora Victoria Adelheid; 7 July 1839 – 10 February 1872) was a daughter of Ernst I, Prince of Hohenlohe- Langenburg and Princess Feodora of Leiningen.
By her marriage to Georg of Saxe- Meiningen, she would become Duchess of Saxe- Meiningen upon his accession to the ducal throne in 1866.
Princess Feodora of Denmark
Princess Feodora of Denmark( Feodora Louise Caroline- Mathilde Viktoria Alexandra Frederikke Johanne)
( 3 July 1910 – 17 March 1975) was a Danish princess as a daughter of Prince Harald of Denmark and granddaughter of Frederick VIII of Denmark.
As the wife of Prince Christian of Schaumburg- Lippe she became a Princess of Schaumburg- Lippe by marriage.
Princess Victoria of Saxe-Coburg-Saalfeld
Princess Victoria of Saxe-Coburg-Saalfeld (17 August 1786 – 16 March 1861), later Duchess of Kent and Strathearn, was a German princess and the mother of Queen Victoria of the United Kingdom.
As the widow of Charles, Prince of Leiningen (1763–1814), from 1814 she served as regent of the Principality during the minority of her son from her first marriage, Carl, until her second wedding in 1818 to Prince Edward, son of King George III of the United Kingdom.
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 Feodora of Saxe-Meiningen
Princess Feodora of Saxe-Meiningen (Feodora Viktoria Auguste Marie Marianne; 12 May 1879 – 26 August 1945) was born at Potsdam, the only child of Bernhard III, Duke of Saxe-Meiningen, and his wife, Princess Charlotte of Prussia (the eldest daughter of Frederick III, German Emperor, and Victoria, Princess Royal).
Feodora was the first great-grandchild of Queen Victoria.
Prince Waldemar of Schaumburg-Lippe
Prince Waldemar Stephen of Schaumburg- Lippe(" Waldemar Stephan Ferdinand Wolrad Friedrich Karl", b. 19 December 1940 in Glienicke) is a son of Prince Christian of Schaumburg- Lippe and Princess Feodora of Denmark, and the great- grandson of King Frederick VIII of Denmark.
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.
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.

Question: What nationality is Princess Feodora Of Leiningen's mother?
Answer: German