House of Braganza-Saxe-Coburg and Gotha prevalent mainly in the writings of non-Portuguese historians and genealogists, as European custom classifies a descendant branch on the basis of patrilineal descent, which means that the House of Braganza-Saxe-Coburg and Gotha is a cadet branch of the House of Saxe-Coburg and Gotha-Koháry. Nonetheless, the 1838 Portuguese constitution stated that the House of Braganza was the ruling house of Portugal, by way of Queen Maria II, and her descendants still continued to style themselves as members of the House of Braganza, as opposed to Saxe-Coburg-Braganza. With the death of King Manuel II without legitimate issue in 1932, the dynasty became
House of Orléans-Braganza to the marriage. Isabel and Leopoldina were not informed until Gaston and August were mid-Atlantic. Arriving in early September, Gaston described the princesses as "ugly", but thought Isabel less so than her sister. For her part, Isabel in her own words "began to feel a great and tender love" for Gaston.[65] The two couples: Gaston and Isabel; August and Leopoldina; were engaged on 18 September. On 15 October 1864 at Rio de Janeiro, Prince Gaston married Isabel, Princess Imperial of Brazil and heiress of the Empire. It was from that marriage the royal house of Orléans-Braganza was formed. The couple