House of Braganza Luís, as D. Pedro V had no children. D. Luís I was succeeded in 1889 by his son D. Carlos I. Carlos I's popularity dramatically declined after an unfavorable deal from an incident known as the British Ultimatum, whereby the Portuguese Empire ceded its claim to territories (known as the "Pink Map") between Portuguese West Africa and Portuguese East Africa to the British. Pursuant to his unpopularity, the monarchy became increasingly unpopular in the country. King Carlos I was assassinated in 1908 together with his eldest son, D. Luís Filipe, Prince Royal of Portugal and Duke of Braganza, by republicans.
House of Orléans-Braganza According to the pact, the House of France recognized the Brazilian House of Orléans-Braganza as a cadet branch and create to his member the French title of "Prince of Orléans-Braganza". Alfred de Gramont alleged in his diary, "L'ami du Prince", journal of a novel, published by Eric Mension Rigau-Fayard in 2011) that this decision was made by the Orléans for two reasons: first, the desire of other dynasts to exclude the Comte d'Eu and the princes of Orléans-Braganza (who became heirs presumptive to the Empire of Brazil), and second, the influence of French nationalism. However, exclusion from the succession as