Prince Luís of Orléans-Braganza (26 January 1878 – 26 March 1920), nicknamed "the Perfect Prince", was the second son of Isabel, Princess Imperial of Brazil and Prince Gaston, Count of Eu, and patriarch of the Vassouras branch of the House of Orléans-Braganza. His maternal grandfather, Pedro II of Brazil, was the last emperor of Brazil.
More information: Prince Luís of Orléans-Braganza (1878–1920) - Wikipedia
Funeral of Prince Dom Luís of Orléans-Braganza in 1920.
Tomb of Prince Dom Luís and Princess Maria Pia in the Royal Chapel of Dreux, France.