Princess Louise of Orléans
Louise Françoise Marie Laure d'Orléans (24 February 1882 – 18 April 1958) was a Princess of the Two-Sicilies and maternal grandmother of King Juan Carlos I of Spain.
Louise was the youngest daughter of Philippe d'Orléans (1838–1894), Count of Paris and claimant to the French throne as "Philippe VII".
Her mother was Princess Marie Isabelle d'Orléans (1848–1919), daughter of Antoine, Duke of Montpensier, and Infanta Luisa Fernanda of Spain.
Henri, Duke of Montpensier
Henri de Bourbon, Duke of Montpensier, (12 May 1573 – 27 February 1608) was Dauphin of Auvergne, Duke of Montpensier, Sovereign Prince of the Dombes and Lord of Châtellerault.
Henri was born at Mézières, the son of François de Bourbon, Duke of Montpensier, and of his wife Renée d'Anjou, "marquise de Mézières".
On 15 May 1597, Henri married Henriette Catherine, daughter of Henri de Joyeuse and Catherine de Nogaret.
They had one child:
Louis, Prince of La Roche-sur-Yon
Louis de Bourbon( 1473 – 1520) styled as the" Prince of La Roche- sur- Yon" was born in 1473.
He was the son of John II, Count of Vendôme and Isabel de Beauveau.
He married his cousin, Louise de Bourbon, Duchess of Montpensier, eldest daughter of Gilbert of Bourbon, Count of Montpensier and Clara Gonzaga, on 21 March 1504, by whom he had three children.
He died in 1520.
Infanta Luisa Fernanda, Duchess of Montpensier
Infanta María Luisa Fernanda of Spain, Duchess of Montpensier (30 January 1832 – 2 February 1897) was Infanta of Spain and Duchess of Montpensier.
She was the youngest daughter of King Ferdinand VII of Spain and his fourth wife Maria Christina of the Two Sicilies, the queen-regent, who was also his niece.
Luisa Valero
Luisa Fernanda Valero Medina( born 5 April 1997) is a Colombian female badminton player.
Louis II, Count of Montpensier
Louis de Bourbon, Count of Montpensier( 1483 – August 14, 1501, Naples) was the son of Gilbert, Count of Montpensier and Claire Gonzaga.
He was Count of Montpensier and Clermont- en- Auvergne and Dauphin d'Auvergne from 1496 to his death.
He died unmarried and was succeeded by his brother Charles III, Duke of Bourbon.
Princess María Cristina of Orléans
María Cristina de Orléans( born" Marie Christine d' Orléans", 29 October 1852 – 28 April 1879) was one of the daughters of Prince Antoine, Duke of Montpensier, a son of King Louis Philippe I, and Infanta Luisa Fernanda of Spain, the youngest daughter of Ferdinand VII of Spain.
María Cristina was raised in Seville, and given her father's close relationship with the Spanish Royal Family, she and her siblings were awarded the title of Infante and Infanta of Spain.
She died at the age of 26 from tuberculosis.
Mercedes of Orléans
Maria de las Mercedes of Orléans( 24 June 1860 – 26 June 1878) was Queen of Spain as the first wife of King Alfonso XII.
She was born in Madrid, the daughter of Antoine of Orléans, Duke of Montpensier, and of Infanta Luisa Fernanda of Spain.
Maria Christina of the Two Sicilies
Maria Christina of the Two Sicilies (27 April 1806 – 22 August 1878) was queen consort of Spain from 1829 to 1833 and regent of the Kingdom from 1833 to 1840.
With her marriage to King Ferdinand VII of Spain, Maria Christina became a central character in the history of Spain for 50 years.
Marie de Bourbon, Duchess of Montpensier
Marie de Bourbon( 15 October 1605 – 4 June 1627), Duchess of Montpensier, and Duchess of Orléans by marriage, was a French noblewoman and one of the last members of the House of Bourbon- Montpensier.
Her parents were Henri de Bourbon," Duke of Montpensier" and Henriette Catherine de Joyeuse, Duchess of Joyeuse in her own right.

Question: What is the date of death of Infanta Luisa Fernanda, Duchess Of Montpensier's mother?
Answer: 22 August 1878