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
Teodósio I, Duke of Braganza Teodósio I, Duke of Braganza Dom Teodósio I of Braganza (; 1510 – 22 September 1563) was the 5th Duke of Braganza, among other titles. He is known for ceding the title of Duke of Guimarães to Infante Duarte of Aviz, alongside some of the wealth and properties of the House of Braganza. The Duke Teodósio I was an educated and refined man, a typical renaissance prince. He loved painting and sculpture. In 1542, he married his 1st cousin (1513–1558), daughter of his uncle Dinis, and had John I of Braganza. Their child, João I succeeded him as 6th Duke