 The relic was held near Vienna, Austria at the castle of Frohsdorf.The son of Carlos, Jaime, Duke of Madrid, in 1909 inherited the heart, and gave it to his sister, Beatriz.Finally two granddaughters of Don Carlos offered the heart to the president of the Memorial of Saint-Denis in Paris, Duc de Bauffremont, where he put the heart and its crystal urn in the necropolis of the Kings of France, the burial place of Louis-Charles's parents and other members of the French royal family.