Princess Elisabeth of Urach
Elizabeth Auguste Marie Florestine Luise, Princess of Urach and Countess of Württemberg( born 23 August 1894 at Lichtenstein Castle( Württemberg); died 13 October 1962 in Frauenthal castle in Styria) was the wife of Prince Karl Aloys of Liechtenstein.
Prince Karl Alfred of Liechtenstein
Prince Karl Alfred of Liechtenstein
(Karl Alfred Maria Johannes Baptista Heinrich Aloys Georg Hartmann Ignatius; 16 August 1910 – 17 November 1985) was a prince and brother of Franz Joseph II.
He was the third child and second son of Prince Aloys of Liechtenstein and Archduchess Elisabeth Amalie of Austria.
He married on 17 February 1949, at Persenbeug Castle in Austria, Archduchess Agnes Christina of Austria (14 December 1928 – 31 August 2007).
She was the second child and eldest daughter of Archduke Hubert Salvator of Austria and Princess Rosemary of Salm-Salm.
They had seven children:
Prince Karl Alfred died on 17 November 1985.
Prince Aloys of Liechtenstein
Prince Aloys of Liechtenstein (Aloys Gonzaga Maria Adolf; 17 June 1869 in Hollenegg – 16 March 1955 in Vaduz) was the son of Prince Alfred of Liechtenstein (1842–1907) and Princess Henriette of Liechtenstein (1843–1931), daughter of Alois II of Liechtenstein.
The maternal nephew and first cousin of Franz I of Liechtenstein, Prince Aloys renounced his rights to the succession on 26 February 1923, in favor of his son Franz Joseph II.
He was the 1,177th Knight of the Order of the Golden Fleece in Austria.
Prince Nikolaus of Liechtenstein
Prince Nikolaus Ferdinand Maria Josef Raphael of Liechtenstein( born 24 October 1947) is the non-resident Ambassador of Liechtenstein to the Holy See and a younger brother of the reigning Prince of Liechtenstein, Hans- Adam II.
Prince Joseph Wenzel of Liechtenstein
Prince Joseph Wenzel of Liechtenstein, Count Rietberg( born 24 May 1995) is the eldest child of Prince Alois of Liechtenstein, the Regent and Hereditary Prince of Liechtenstein, and his wife Princess Sophie of Bavaria, Duchess in Bavaria, he is also the eldest grandchild of the current ruling prince of Liechtenstein.
He is second in the line of succession to the Liechtensteiner throne through his father.
Prince Louis of Liechtenstein
Prince Aloys Franz de Paula Maria( 18 November 1846 – 25 March 1920), known in English as Prince Louis, was the son of Prince Franz de Paula of Liechtenstein( 1802 – 1887) and younger brother of Prince Alfred of Liechtenstein.
He was the cousin of Johann II, Prince of Liechtenstein.
He was nicknamed" The Red Princeder rote Prinz").
Princess Marie of Liechtenstein (b. 1959)
Princess Marie of Liechtenstein(" née" Princess Marie Isabelle Marguerite Anne Geneviève of Orléans; born Boulogne- Billancourt, France on 3 January 1959) is the eldest daughter of Prince Henri, Count of Paris, Duke of France and his former wife Duchess Marie Thérèse of Württemberg.
She is the wife of Prince Gundakar of Liechtenstein, a great- grandson of Prince Alfred of Liechtenstein.
Franz Joseph II, Prince of Liechtenstein
Franz Joseph II( Franz Josef
Maria Aloys Alfred Karl Johannes Heinrich Michael Georg Ignaz Benediktus Gerhardus Majella; 16 August 1906 – 13 November 1989) was the reigning Prince of Liechtenstein from 1938 until his death.
Franz Joseph was the son of Prince Aloys of Liechtenstein and Archduchess Elisabeth Amalie of Austria.
He succeeded his childless grand- uncle, Prince Franz I, after his father renounced his right of succession in his favour in 1923.
During his reign women received voting rights for the first time, following a referendum on the topic( among men only) in 1984.
Franz Joseph was an extremely popular sovereign in Liechtenstein.
He was the first ruling prince to live full- time in the principality.
He also oversaw the economic development of Liechtenstein from a poor agricultural backwater into one of the richest countries( per capita) in the world.
Prince Alfred of Liechtenstein
Prince Alfred Louis of Liechtenstein (Alfred Aloys Eduard; 11 June 1842 in Prague – 8 October 1907 in Frauenthal castle) was the son of Prince Franz de Paula of Liechtenstein (1802–1887) and Countess Julia Eudoxia Potocka-Piława (1818–1895), older brother of Prince Louis of Liechtenstein, and cousin and brother-in-law of Franz I of Liechtenstein.
He was the 1,143rd Knight of the Order of the Golden Fleece in Austria in 1903.
Prince Wenzeslaus of Liechtenstein
Prince Wenzeslaus of Liechtenstein (born 12 May 1974) is a member of the princely family of Liechtenstein.
He is the son of Prince Philip Erasmus of Liechtenstein and Isabelle de L'Arbre de Malander.
He was born to the style of a Serene Highness and Prince of Liechtenstein, and is additionally a Count of Rietberg.
Prince Wenzeslaus has two brothers:
Prince Wenzeslaus has become something of a society column figure on account of his relationship with Victoria's Secret model Adriana Lima.
The society columns such as Page Six of the "New York Post" have tagged him with the nickname of "Prince Wence(pronounced: Vince)".
His father is President of the LGT Group in Liechtenstein which is privately owned by the Prince of Liechtenstein Foundation.
Prince Wenzeslaus is the nephew of the reigning sovereign Fürst Hans Adam II and the first cousin of Alois, Hereditary Prince of Liechtenstein, who is Regent since 2004.

Question: Who is Prince Aloys Of Liechtenstein's paternal grandfather?
Answer: Prince Franz de Paula of Liechtenstein