
The Princess Marie Isabelle d’Orléans by Angel Alonso Martinez, 1860
Below a photo of Marie Isabelle (second from the left) and three of her sisters, from about the same year:

Daughters of the Duc de Montpensier by Gustav William Henry Mullins, ca. 1860
The girls on the photo are:
Marie Isabelle, Countess of Paris, wife of Louis Philippe, Count of Paris, 1st daughter of Antoine, Duke of Montpensier (1848-1919)
Maria Amelia, Infanta of Spain, 2nd daughter of Antoine, Infante of Spain & Duke of Montpensier, granddaughter of Fernando VII, King of Spain (1851-70)
Maria Cristina, Infanta of Spain, 3rd daughter of Antoine, Infante of Spain & Duke of Montpensier, granddaughter of Fernando VII, King of Spain (1852-79)
Maria de la Regla, Infanta of Spain, 4th daughter of Antoine, Infante of Spain & Duke of Montpensier, granddaughter of Fernando VII, King of Spain (1856-61)
source: The Royal Collection