Princess Maria di Grazia (Full Italian name: Maria delle Grazie Pia Chiara Anna Teresa Isabella Luitgarda Apollonia Agata Cecilia Filomena Antonia Lucia Cristina Caterina di Borbone ) (12 August 1878, Cannes, France – 20 June 1973, Mandelieu-la-Napoule, France) was a princess of Bourbon-Two Sicilies and princess of Orléans-Braganza through her marriage to Prince Luiz of Orléans-Braganza.

Maria was the daughter of Prince Alfonso of Bourbon-Two Sicilies, Count of Caserta and his wife Princess Antonietta of Bourbon-Two Sicilies.

Maria married Prince Luiz Maria of Orléans-Braganza, son of Prince Gaston of Orléans, Count of Eu and his wife Isabel, Princess Imperial of Brazil, on 4 November 1908 in Cannes, France. Maria and Luiz had three children:

Dom Luiz died in 1920 leaving Maria a widow for the remainder of her life. In 1922, Maria accompanied the Brazilian Imperial Family to Brazil for the country's centennial celebrations of its independence. During the course of the trip, the Count of Eu died while recumbent upon her shoulder.

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