Question: What family does Joachim II Hector, the elector of the where Blumenthal Observation Tower is located, belong to?

full_context: Document 1: Krawutschke Tower: The Krawutschke Tower (German: "Krawutschketurm") is a 13 metre tall observation tower in the Hürtgenwald municipality in Germany, about one kilometer east of the village center of "Bergstein", approximately 10 km south of Düren. The Krawutschke Tower is 400.5 m above sea level, situated on the "Burgberg" (Engl. castle mountain), which, during World War II, also had the Allied-given name Hill 400 due to its elevation. The Krawutschke Tower has three platforms, one above the other, each separated by three meters.
Document 2: Fernmeldeturm Nürnberg: The Fernmeldeturm Nürnberg, the tallest structure in Bavaria, is a telecommunication tower in Nuremberg, southern Germany. Also called the "Nürnberger Ei" ("Egg of Nuremberg") because of its egg-shaped tower basket in a height of 185 metres, it is 292 metres high and was built between 1977 and 1980 according to blueprints by architect Erwin Heinle.
Document 3: Albert Wolfgang, Count of Hohenlohe-Langenburg: He was head of the House of Hohenlohe-Langenburg and introduced primogeniture in Langenburg in 1699. This meant the oldest son would inherit the entire county, and younger sons would only inherit if the oldest were to die childless. From then on, younger sons would mostly embark on military careers, for example, in the imperial army, or in friendly nations.
Document 4: East Prussia: Although Brandenburg was a part of the Holy Roman Empire, the Prussian lands were not within the Holy Roman Empire and were with the administration by the Teutonic Order grandmasters under jurisdiction of the Emperor. In return for supporting Emperor Leopold I in the War of the Spanish Succession, Elector Frederick III was allowed to crown himself "King in Prussia" in 1701. The new kingdom ruled by the Hohenzollern dynasty became known as the Kingdom of Prussia. The designation "Kingdom of Prussia" was gradually applied to the various lands of Brandenburg-Prussia. To differentiate from the larger entity, the former Duchy of Prussia became known as Altpreußen ("Old Prussia"), the province of Prussia, or "East Prussia".
Document 5: Weser Tower: The Weser Tower is a multistorey building in Bremen, designed by the American architect of German origin Helmut Jahn. The laying of the foundation was on 23 October 2007. The Tower of 82 metres height is the tallest office building of Bremen and was completed in 2010.
Document 6: Huguenots: Frederick William, Elector of Brandenburg, invited Huguenots to settle in his realms, and a number of their descendants rose to positions of prominence in Prussia. Several prominent German military, cultural, and political figures were ethnic Huguenot, including poet Theodor Fontane, General Hermann von François, the hero of the First World War Battle of Tannenberg, Luftwaffe General and fighter ace Adolf Galland, Luftwaffe flying ace Hans-Joachim Marseille, and famed U-boat captain Lothar von Arnauld de la Perière. The last Prime Minister of the (East) German Democratic Republic, Lothar de Maizière, is also a descendant of a Huguenot family, as is the German Federal Minister of the Interior, Thomas de Maizière.
Document 7: Kuchlbauer Tower: The Kuchlbauer Tower () is an observation tower designed by Austrian architect Friedensreich Hundertwasser on the grounds of the Kuchlbauer brewery in Abensberg, a town in Lower Bavaria in Germany.
Document 8: Dötlingen: Dötlingen is a municipality in the district of Oldenburg, in Lower Saxony, Germany. It is situated approximately 6 km northwest of Wildeshausen, and 25 km southeast of Oldenburg at the Hunte river. It's one of Germanys richest villages. The Nazis gave Dötlingen the title "Musterdorf von Deutschland", which means "Best village in Germany". In Dötlingen are many stone graves, and some plants and animals only exist there. Dötlingen was two times "Schönstes Dorf Deutschlands", the most beautiful village of Germany. Even if it is a beautiful place, Dötlingen is not known very much and has even in German language a very strange name. The oak tree in the middle of Dötlingen, next to the old church made of cobble stone, is over 1000 years old. The oak tree was struck by lightning and burst, but it survived.
Document 9: Joachim II Hector, Elector of Brandenburg: Joachim II ( or "Hektor"; 13 January 1505 – 3 January 1571) was a Prince-elector of the Margraviate of Brandenburg (1535–1571), the sixth member of the House of Hohenzollern. Joachim II was the eldest son of Joachim I Nestor, Elector of Brandenburg and his wife Elizabeth of Denmark, Norway, and Sweden. He received the cognomen Hector after the Trojan prince and warrior for his qualities and prowess.
Document 10: East Prussia: The Administrator of Prussia, the grandmaster of the Teutonic Order Maximilian III, son of emperor Maximilian II died in 1618. When Maximilian died, Albert's line died out, and the Duchy of Prussia passed to the Electors of Brandenburg, forming Brandenburg-Prussia. Taking advantage of the Swedish invasion of Poland in 1655, and instead of fulfilling his vassal's duties towards the Polish Kingdom, by joining forces with the Swedes and subsequent treaties of Wehlau, Labiau, and Oliva, Elector and Duke Frederick William succeeded in revoking king of Poland's sovereignty over the Duchy of Prussia in 1660. The absolutist elector also subdued the noble estates of Prussia.
Document 11: Joachim, 6th Prince Murat: Joachim Murat, 6th Prince Murat (Paris, Île-de-France, France, August 6, 1885 – Paris, Île-de-France, France May 11, 1938), was a member of the Bonaparte-Murat family.
Document 12: Blumenthal Observation Tower: The Blumenthal Observation Tower is a 45 metre tall observation tower built of wood in Blumenthal, part of the municipality Heiligengrabe, Brandenburg, Germany.
Document 13: Melbourne: Melbourne's CBD, compared with other Australian cities, has comparatively unrestricted height limits and as a result of waves of post-war development contains five of the six tallest buildings in Australia, the tallest of which is the Eureka Tower, situated in Southbank. It has an observation deck near the top from where you can see above all of Melbourne's structures. The Rialto tower, the city's second tallest, remains the tallest building in the old CBD; its observation deck for visitors has recently closed.
Document 14: Hanover: Another point of interest is the Old Town. In the centre are the large Marktkirche (Church St. Georgii et Jacobi, preaching venue of the bishop of the Lutheran Landeskirche Hannovers) and the Old Town Hall. Nearby are the Leibniz House, the Nolte House, and the Beguine Tower. A very nice quarter of the Old Town is the Kreuz-Church-Quarter around the Kreuz Church with many nice little lanes. Nearby is the old royal sports hall, now called the Ballhof theatre. On the edge of the Old Town are the Market Hall, the Leine Palace, and the ruin of the Aegidien Church which is now a monument to the victims of war and violence. Through the Marstall Gate you arrive at the bank of the river Leine, where the world-famous Nanas of Niki de Saint-Phalle are located. They are part of the Mile of Sculptures, which starts from Trammplatz, leads along the river bank, crosses Königsworther Square, and ends at the entrance of the Georgengarten. Near the Old Town is the district of Calenberger Neustadt where the Catholic Basilica Minor of St. Clemens, the Reformed Church and the Lutheran Neustädter Hof- und Stadtkirche St. Johannis are located.
Document 15: Prince Johann Georg of Hohenzollern: Prince Johann Georg was the sixth child of Frederick, Prince of Hohenzollern (Heiligendamm 30 August 1891 – Krauchenwies 6 February 1965) and his wife Princess Margarete Karola of Saxony (Dresden 24 January 1900 – Freiburg im Breisgau 16 October 1962).
ground_truth: House of Hohenzollern
sub_queries: Blumenthal Observation Tower >> located in the administrative territorial entity Answer: Brandenburg
Joachim II Hector, Elector of Brandenburg >> family Answer: House of Hohenzollern