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.
Robert I, Duke of Parma
Robert I (Italian: "
Roberto I Carlo Luigi Maria di Borbone, Duca di Parma e Piacenza"; 9 July 1848 –
16 November 1907) was the last sovereign Duke of Parma and Piacenza from 1854 until 1859, when the duchy was annexed to Sardinia-Piedmont during the "Risorgimento".
He was a member of the House of Bourbon-Parma and descended from Philip, Duke of Parma, the third son of King Philip V of Spain and Elisabeth Farnese.
Princess Marie Louise of Hanover
Princess Marie Louise of Hanover and Cumberland( 11 October 1879 – 31 January 1948) was the eldest child of Ernest Augustus, Crown Prince of Hanover, and Princess Thyra of Denmark, the youngest daughter of Christian IX of Denmark and Louise of Hesse- Kassel.
Through her father, Marie Louise was a great- great- granddaughter of George III of the United Kingdom and Charlotte of Mecklenburg- Strelitz.
She was a first cousin of Nicholas II of Russia and George V of the United Kingdom.
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.
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.
Princess Marie Louise of Bourbon-Parma
Princess Maria Luisa of Bourbon-Parma (
Marie Louise Pia Theresa Anna Ferdinanda Francisca
Antonia Margaret Josepha Carolina Blanche Lucia Apollonia; 17 January 1870 – 31 January 1899) was the eldest daughter of Robert I, the last reigning Duke of Parma.
She became Princess-consort of Bulgaria upon her marriage to Ferdinand of Bulgaria, the then prince-regnant (who became Tsar after her death).
She was the mother of Tsar Boris III of Bulgaria.
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 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.
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.
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: When did Princess Marie Louise Of Bourbon-Parma's father die?