Context: Stuttgart ( Swabian: "Schduagert"), often nicknamed the ""Schwabenmetropole"" in reference to its location in the center of Swabia and the local dialect spoken by some natives, is the capital and largest city of the German state of Baden-Württemberg. It is located on the Neckar river in a fertile valley locally known as the "Stuttgarter Kessel" an hour from the Swabian Jura and the Black Forest. Stuttgart's name comes from the Old High German word ""Stuogarten"," or "stud farm"  a reference to the city's founding in 950 AD as a stud farm. Stuttgarts urban area has a population of 623,738, and a further making it the sixth largest city in Germany, 2.7 million people live in the citys administrative region, and another 5.3 million people in its metropolitan area, making it the fourth largest metropolitan area in Germany., Isabel Maria of Braganza , Infanta of Portugal ( Isabel Maria Alberta Josefa Micaela Gabriela Rafaela Francisca de Paula e de Assis Teresa Adelaide Eulália Sofia Carolina ; 19 November 1894 , Kleinheubach , Kingdom of Bavaria -- 12 January 1970 , Regensburg , Bavaria , Germany ) was a member of the House of Braganza and Infanta of Portugal by birth . Through her marriage to Franz Joseph , 9th Prince of Thurn and Taxis , Isabel Maria was also a member of the House of Thurn and Taxis and Princess consort of Thurn and Taxis ., Vorarlberg is the westernmost federal state ("Bundesland") of Austria. Although it has the second-smallest area (Vienna is the smallest) and population (Burgenland is less populated), it has the second-highest population density (after Vienna). It borders three countries: Germany (Bavaria and Baden-Württemberg via Lake Constance), Switzerland (Graubünden and St. Gallen) and Liechtenstein. The only Austrian state that shares a border with Vorarlberg is Tyrol to the east., The Most Serene House of Braganza, or the Brigantine Dynasty ("Dinastia Brigantina"), is a dynasty of emperors, kings, princes, and dukes of Portuguese origin, a branch of the House of Aviz. , "Franz Joseph" Maximilian Maria Antonius Ignatius Lamoral, Prince of Thurn and Taxis, full German name: "Franz Josef Maximilian Maria Antonius Ignatius Lamoral Fürst von Thurn und Taxis" (21 December 1893, Regensburg, Kingdom of Bavaria  13 July 1971, Regensburg, Bavaria, Germany) was the ninth Prince of Thurn and Taxis and Head of the Princely House of Thurn and Taxis from 22 January 1952 until his death on 13 July 1971., Germany, officially the Federal Republic of Germany, is a federal parliamentary republic in central-western Europe. It includes 16 constituent states, covers an area of , and has a largely temperate seasonal climate. With about 82 million inhabitants, Germany is the most populous member state of the European Union. After the United States, it is the second most popular immigration destination in the world. Germany's capital and largest metropolis is Berlin. Other major cities include Hamburg, Munich, Cologne, Frankfurt, Stuttgart and Düsseldorf., The Kingdom of Bavaria was a German state that succeeded the former Electorate of Bavaria in 1805 and continued to exist until 1918. The Bavarian Elector Maximilian IV Joseph of the House of Wittelsbach became the first King of Bavaria in 1805 as Maximilian I Joseph. The crown would go on being held by the Wittelsbachs until the kingdom came to an end in 1918. Most of Bavaria's present-day borders were established after 1814 with the Treaty of Paris, in which Bavaria ceded Tyrol and Vorarlberg to the Austrian Empire while receiving Aschaffenburg and Würzburg. With the unification of Germany into the German Empire in 1871, the kingdom became a state of the new Empire and was second in size, power, and wealth only to the leading state, the Kingdom of Prussia. Since the end of the kingdom and the empire in 1918, Bavaria has remained part of Germany., The House of Aviz (modern Portuguese: Avis) was the second dynasty of the kings of Portugal. In 1385, the Interregnum of the 1383-1385 crisis ended when the Cortes of Coimbra proclaimed the Master of the monastic military Order of Aviz as King John I. John was the natural (illegitimate) son of King Peter I and Dona Teresa Lourenço, and so was half-brother to the last king of the Portuguese House of Burgundy or "Afonsine Dynasty", Ferdinand I of Portugal. The House of Aviz continued to rule Portugal until Philip II of Spain inherited the Portuguese crown with the Portuguese succession crisis of 1580., Subject: princess isabel maria of braganza, Relation: noble_family, Options: (A) house of aviz (B) house of braganza (C) house of wittelsbach (D) portuguese house of burgundy (E) thurn und taxis (F) württemberg
Output: thurn und taxis