Princess Marie-Françoise of Bourbon-Parma
Princess Marie- Françoise Antoinette Jeanne Madeleine of Bourbon- Parma( born 19 August 1928) is a French- Italian humanitarian and the founder of the Malte Liban Association in Lebanon.
She is a princess of the House of Bourbon- Parma by birth and a princess of the House of Lobkowicz through marriage.
Prince Charles of Luxembourg
Prince Charles of Luxembourg, Prince of Bourbon- Parma and Nassau( Charles Frédéric Louis Guillaume Marie; 7 August 1927 – 26 July 1977), was a younger son of Grand Duchess Charlotte and Prince Felix of Bourbon- Parma.
Archduchess Maria Anna of Austria (1882–1940)
Archduchess" Maria Anna" Isabelle Epiphanie Eugenie Gabriele of Austria, full German name:" Maria Anna Isabelle Epiphanie Eugenie Gabriele, Erzherzogin von Österreich"( 6 January 1882, Linz, Upper Austria, Austria – Hungary – 25 February 1940, Lausanne, Vaud, Switzerland) was a member of the Teschen branch of the House of Habsburg- Lorraine and an Archduchess of Austria and Princess of Bohemia, Hungary, and Tuscany by birth.
Through her marriage to Prince Elias of Bourbon- Parma( later Duke of Parma), Maria Anna was also a member of the House of Bourbon- Parma and a Princess of Bourbon- Parma.
Princess Carolina, Marchioness of Sala
Princess Maria" Carolina" Christina of Bourbon- Parma, Marchioness of Sala( born 23 June 1974), is the fourth and youngest child of Princess Irene of the Netherlands and Carlos Hugo, Duke of Parma, and is a member of the Royal and Ducal House of Bourbon- Parma, as well as of the Dutch Royal Family.
Alix, Princess of Ligne
Alix, Princess de Ligne( Alix Marie Anna Antoinette Charlotte Gabrielle; 24 August 1929 – 11 February 2019) was the fourth daughter and youngest child of Charlotte, Grand Duchess of Luxembourg, and Felix of Bourbon- Parma.
She was, by birth, Princess of Luxembourg, Princess of Nassau and Princess of Bourbon- Parma.
She was a sister of Grand Duke Jean and aunt of Grand Duke Henri.
Prince Michel, Count of Évreux
Prince Michel of Orléans," fils de France", Count of Évreux( Michel Joseph Benoît Marie; born 25 June 1941, Rabat, Morocco) is a member of the House of Orléans which reigned over France between 1830 and 1848, a cadet branch of the royal House of Bourbon.
He is a younger son of Henri, Count of Paris, the Orleanist claimant to the French throne from 1940 to 1999, and of the author, Princess Isabelle of Orléans- Braganza.
Princess Margarita, Countess of Colorno
Princess Margarita Maria Beatriz of Bourbon-Parma, Countess of Colorno (born 13 October 1972), is the eldest daughter of Princess Irene of the Netherlands and Carlos Hugo, Duke of Parma, and is member of the Royal and Ducal House of Bourbon-Parma, as well of the Dutch Royal Family.
Prince Sixtus of Bourbon-Parma
Prince Sixtus of Bourbon-Parma (1 August 1886 – 14 March 1934) was a member of the House of Bourbon-Parma, a Belgian officer in World War I, and the central figure in the Sixtus Affair, an attempt to negotiate a treaty to end Austria-Hungary's participation in the Great War separate from its Central Powers allies.
He also wrote a number of books.
Prince Michel of Bourbon-Parma
Prince Michel of Bourbon-Parma (Michel Marie Xavier Waldemar
Georg Robert Karl Eymar; 4 March 1926 – 7 July 2018) was a French businessman, soldier and racing car driver, who was a member of deposed sovereign ducal House of Bourbon-Parma.
He was a son of Prince René of Bourbon-Parma and his wife Princess Margaret of Denmark.
Paternally, he was a grandson of Robert I, Duke of Parma (1848–1907), while through his mother he was a great-grandson of Christian IX of Denmark.
Prince Michel was also the younger brother of Queen Anne of Romania.
Princess Margaret of Denmark
Princess Margaret of Denmark
(Margrethe Françoise Louise Marie Helene; 17 September 1895 – 18 September 1992) was a Danish princess by birth and a princess of Bourbon-Parma as the wife of Prince René of Bourbon-Parma.
She was the youngest grandchild of Christian IX of Denmark and Queen Louise.

Question: What is the date of death of Prince Michel Of Bourbon-Parma's mother?
Answer: 18 September 1992