Louis Alphonse, Duke of Anjou
Their father has conferred upon them the historic French titles of, respectively, Duke of Burgundy ("duc de Bourgogne"), and Duke of Berry ("duc de Berry"). (In Spain, the twins are "Don" Luis and "Don" Alfonso de Borbón Vargas). Prince Louis, as Legitimist Dauphin of France, is expected to succeed his father as head of the French royal house, the senior Bourbon/Capetian line, in Legitimist reckoning. However, under Spanish law, and assuming Felipe VI does not in future father a son, the Spanish crown will be inherited by his elder daughter Leonor, Princess of Asturias, who will become queen regnant, and if Felipe does have a son, that son will inherit the Spanish throne regardless of the genealogical seniority of the Anjou branch. Louis and Alphonse were baptised on 5 September 2010 at St Peter's Basilica in Vatican City. Louis' godparents were Arancha Martínez-Bordíu and Francisco D'Agostino and Alphonse's were Amparo Corell de Trenor, and Lorenzo Perales.
Louise Henriette de Bourbon
Among her extramarital affairs, she is said to have had a relationship with the Count of Melfort whom she met at the Château de Saint-Cloud after the birth of her son. During the Revolution of 1789, Philippe-Égalité publicly claimed that his real father was not his mother's husband at all but instead a coachman at the Palais-Royal.. This assertion was likely for political reasons to distance the ambitious Duke from the ancien regime. However recent DNA testing, to establish the Y-chromosome haplogroup and STR pattern of the House of Bourbon, has indeed confirmed the biological legitimacy of Louise Henriette's eldest son, Philippe-Égalité. As part of this project samples were taken from 3 living genealogical descendants of Louis XIII, namely Axel, Prince of Bourbon-Parma; Henri, Prince of Bourbon-Parma, and João Henrique, Prince of Orléans-Braganza. The former 2 are documented male line descendants of Philip V of Spain, who was a grandson of Louis XIV. The latter is a direct male line descendant of Philip I, Duke of Orleans - a younger brother of Louis XIV and the ancestor of Louise Henriette's husband. This study established that no non-paternity event happened along the three studied in-depth paternal lineages of these living donors, thus discounting rumors that the branch of Bourbon-Orleans could be illegitimate.