Question: Which dynasty gave birth to the empire from which students come to attend Strasbourg?

full_context: Document 1: Strasbourg: Louis' advisors believed that, as long as Strasbourg remained independent, it would endanger the King's newly annexed territories in Alsace, and, that to defend these large rural lands effectively, a garrison had to be placed in towns such as Strasbourg. Indeed, the bridge over the Rhine at Strasbourg had been used repeatedly by Imperial (Holy Roman Empire) forces, and three times during the Franco-Dutch War Strasbourg had served as a gateway for Imperial invasions into Alsace. In September 1681 Louis' forces, though lacking a clear casus belli, surrounded the city with overwhelming force. After some negotiation, Louis marched into the city unopposed on 30 September 1681 and proclaimed its annexation.
Document 2: Middle Ages: A three-year civil war followed his death. By the Treaty of Verdun (843), a kingdom between the Rhine and Rhone rivers was created for Lothair to go with his lands in Italy, and his imperial title was recognised. Louis the German was in control of Bavaria and the eastern lands in modern-day Germany. Charles the Bald received the western Frankish lands, comprising most of modern-day France. Charlemagne's grandsons and great-grandsons divided their kingdoms between their descendants, eventually causing all internal cohesion to be lost.[N] In 987 the Carolingian dynasty was replaced in the western lands, with the crowning of Hugh Capet (r. 987–996) as king.[O][P] In the eastern lands the dynasty had died out earlier, in 911, with the death of Louis the Child, and the selection of the unrelated Conrad I (r. 911–918) as king.
Document 3: Strasbourg: This annexation was one of the direct causes of the brief and bloody War of the Reunions whose outcome left the French in possession. The French annexation was recognized by the Treaty of Ryswick (1697). The official policy of religious intolerance which drove most Protestants from France after the revocation of the Edict of Nantes in 1685 was not applied in Strasbourg and in Alsace, because both had a special status as a province à l'instar de l'étranger effectif (a kind of foreign province of the king of France). Strasbourg Cathedral, however, was taken from the Lutherans to be returned to the Catholics as the French authorities tried to promote Catholicism wherever they could (some other historic churches remained in Protestant hands). Its language also remained overwhelmingly German: the German Lutheran university persisted until the French Revolution. Famous students included Goethe and Herder.
Document 4: Military history of France: Under Charlemagne the Franks reached the height of their power. After campaigns against Lombards, Avars, Saxons, and Basques, the resulting Carolingian Empire stretched from the Pyrenees to Central Germany, from the North Sea to the Adriatic. In 800 the Pope made Charlemagne Emperor of the West in return for protection of the Church. The Carolingian Empire was a conscious effort to recreate a central administration modeled on that of the Roman Empire,[13] but the motivations behind military expansion differed. Charlemagne hoped to provide his nobles an incentive to fight by encouraging looting on campaign. Plunder and spoils of war were stronger temptations than imperial expansion, and several regions were invaded over and over in order to bolster the coffers of Frankish nobility.[14] Cavalry dominated the battlefields, and while the high costs associated with equipping horses and horse-riders helped limit their numbers, Carolingian armies maintained an average size of 20,000 by recruiting infantry from imperial territories near theaters of operation.[15] The Empire lasted from 800 to 843, when, following Frankish tradition, it was split between the sons of Louis the Pious by the Treaty of Verdun.
Document 5: Strasbourg: In the 1520s during the Protestant Reformation, the city, under the political guidance of Jacob Sturm von Sturmeck and the spiritual guidance of Martin Bucer embraced the religious teachings of Martin Luther. Their adherents established a Gymnasium, headed by Johannes Sturm, made into a University in the following century. The city first followed the Tetrapolitan Confession, and then the Augsburg Confession. Protestant iconoclasm caused much destruction to churches and cloisters, notwithstanding that Luther himself opposed such a practice. Strasbourg was a centre of humanist scholarship and early book-printing in the Holy Roman Empire, and its intellectual and political influence contributed much to the establishment of Protestantism as an accepted denomination in the southwest of Germany. (John Calvin spent several years as a political refugee in the city). The Strasbourg Councillor Sturm and guildmaster Matthias represented the city at the Imperial Diet of Speyer (1529), where their protest led to the schism of the Catholic Church and the evolution of Protestantism. Together with four other free cities, Strasbourg presented the confessio tetrapolitana as its Protestant book of faith at the Imperial Diet of Augsburg in 1530, where the slightly different Augsburg Confession was also handed over to Charles V, Holy Roman Emperor.
Document 6: Alsace: By the time of the Protestant Reformation in the 16th century, Strasbourg was a prosperous community, and its inhabitants accepted Protestantism in 1523. Martin Bucer was a prominent Protestant reformer in the region. His efforts were countered by the Roman Catholic Habsburgs who tried to eradicate heresy in Upper Alsace. As a result, Alsace was transformed into a mosaic of Catholic and Protestant territories. On the other hand, Mömpelgard (Montbéliard) to the southwest of Alsace, belonging to the Counts of Württemberg since 1397, remained a Protestant enclave in France until 1793.
Document 7: Charlemagne: Charlemagne (/ ˈʃɑːrlɪmeɪn /) or Charles the Great (2 April 742 -- 28 January 814), numbered Charles I, was King of the Franks from 768, King of the Lombards from 774 and Emperor of the Romans from 800. He united much of Europe during the early Middle Ages. He was the first recognised emperor in western Europe since the fall of the Western Roman Empire three centuries earlier. The expanded Frankish state that Charlemagne founded is called the Carolingian Empire.
Document 8: Strasbourg: In the fifth century Strasbourg was occupied successively by Alemanni, Huns, and Franks. In the ninth century it was commonly known as Strazburg in the local language, as documented in 842 by the Oaths of Strasbourg. This trilingual text contains, alongside texts in Latin and Old High German (teudisca lingua), the oldest written variety of Gallo-Romance (lingua romana) clearly distinct from Latin, the ancestor of Old French. The town was also called Stratisburgum or Strateburgus in Latin, from which later came Strossburi in Alsatian and Straßburg in Standard German, and then Strasbourg in French. The Oaths of Strasbourg is considered as marking the birth of the two countries of France and Germany with the division of the Carolingian Empire.
Document 9: Strasbourg: In 1871, after the end of the war, the city was annexed to the newly established German Empire as part of the Reichsland Elsass-Lothringen under the terms of the Treaty of Frankfurt. As part of Imperial Germany, Strasbourg was rebuilt and developed on a grand and representative scale, such as the Neue Stadt, or "new city" around the present Place de la République. Historian Rodolphe Reuss and Art historian Wilhelm von Bode were in charge of rebuilding the municipal archives, libraries and museums. The University, founded in 1567 and suppressed during the French Revolution as a stronghold of German sentiment,[citation needed] was reopened in 1872 under the name Kaiser-Wilhelms-Universität.
Document 10: Strasbourg: Strasbourg, well known as centre of humanism, has a long history of excellence in higher-education, at the crossroads of French and German intellectual traditions. Although Strasbourg had been annexed by the Kingdom of France in 1683, it still remained connected to the German-speaking intellectual world throughout the 18th century and the university attracted numerous students from the Holy Roman Empire, including Goethe, Metternich and Montgelas, who studied law in Strasbourg, among the most prominent. Nowadays, Strasbourg is known to offer among the best university courses in France, after Paris.
Document 11: Middle Ages: The coronation of Charlemagne as emperor on Christmas Day 800 is regarded as a turning point in medieval history, marking a return of the Western Roman Empire, since the new emperor ruled over much of the area previously controlled by the western emperors. It also marks a change in Charlemagne's relationship with the Byzantine Empire, as the assumption of the imperial title by the Carolingians asserted their equivalence to the Byzantine state. There were several differences between the newly established Carolingian Empire and both the older Western Roman Empire and the concurrent Byzantine Empire. The Frankish lands were rural in character, with only a few small cities. Most of the people were peasants settled on small farms. Little trade existed and much of that was with the British Isles and Scandinavia, in contrast to the older Roman Empire with its trading networks centred on the Mediterranean. The empire was administered by an itinerant court that travelled with the emperor, as well as approximately 300 imperial officials called counts, who administered the counties the empire had been divided into. Clergy and local bishops served as officials, as well as the imperial officials called missi dominici, who served as roving inspectors and troubleshooters.
Document 12: Greeks: The Eastern Roman Empire – today conventionally named the Byzantine Empire, a name not in use during its own time – became increasingly influenced by Greek culture after the 7th century, when Emperor Heraclius (AD 575 - 641) decided to make Greek the empire's official language. Certainly from then on, but likely earlier, the Roman and Greek cultures were virtually fused into a single Greco-Roman world. Although the Latin West recognized the Eastern Empire's claim to the Roman legacy for several centuries, after Pope Leo III crowned Charlemagne, king of the Franks, as the "Roman Emperor" on 25 December 800, an act which eventually led to the formation of the Holy Roman Empire, the Latin West started to favour the Franks and began to refer to the Eastern Roman Empire largely as the Empire of the Greeks (Imperium Graecorum).
Document 13: Strasbourg: Strasbourg (/ˈstræzbɜːrɡ/, French pronunciation: ​[stʁaz.buʁ, stʁas.buʁ]; Alsatian: Strossburi; German: Straßburg, [ˈʃtʁaːsbʊɐ̯k]) is the capital and largest city of the Alsace-Champagne-Ardenne-Lorraine (ACAL) region in eastern France and is the official seat of the European Parliament. Located close to the border with Germany, it is the capital of the Bas-Rhin département. The city and the region of Alsace were historically predominantly Alemannic-speaking, hence the city's Germanic name. In 2013, the city proper had 275,718 inhabitants, Eurométropole de Strasbourg (Greater Strasbourg) had 475,934 inhabitants and the Arrondissement of Strasbourg had 482,384 inhabitants. With a population of 768,868 in 2012, Strasbourg's metropolitan area (only the part of the metropolitan area on French territory) is the ninth largest in France and home to 13% of the ACAL region's inhabitants. The transnational Eurodistrict Strasbourg-Ortenau had a population of 915,000 inhabitants in 2014.
Document 14: Middle Ages: Charlemagne planned to continue the Frankish tradition of dividing his kingdom between all his heirs, but was unable to do so as only one son, Louis the Pious (r. 814–840), was still alive by 813. Just before Charlemagne died in 814, he crowned Louis as his successor. Louis's reign of 26 years was marked by numerous divisions of the empire among his sons and, after 829, civil wars between various alliances of father and sons over the control of various parts of the empire. Eventually, Louis recognised his eldest son Lothair I (d. 855) as emperor and gave him Italy. Louis divided the rest of the empire between Lothair and Charles the Bald (d. 877), his youngest son. Lothair took East Francia, comprising both banks of the Rhine and eastwards, leaving Charles West Francia with the empire to the west of the Rhineland and the Alps. Louis the German (d. 876), the middle child, who had been rebellious to the last, was allowed to keep Bavaria under the suzerainty of his elder brother. The division was disputed. Pepin II of Aquitaine (d. after 864), the emperor's grandson, rebelled in a contest for Aquitaine, while Louis the German tried to annex all of East Francia. Louis the Pious died in 840, with the empire still in chaos.
Document 15: Holy Roman Empire: On 25 December 800, Pope Leo III crowned the Frankish king Charlemagne as Emperor, reviving the title in Western Europe, more than three centuries after the fall of the earlier ancient Western Roman Empire in 476. The title continued in the Carolingian family until 888 and from 896 to 899, after which it was contested by the rulers of Italy in a series of civil wars until the death of the last Italian claimant, Berengar I, in 924. The title was revived again in 962 when Otto I was crowned emperor, fashioning himself as the successor of Charlemagne and beginning a continuous existence of the empire for over eight centuries. Some historians refer to the coronation of Charlemagne as the origin of the empire, while others prefer the coronation of Otto I as its beginning. Scholars generally concur, however, in relating an evolution of the institutions and principles constituting the empire, describing a gradual assumption of the imperial title and role.
ground_truth: the Carolingian family
sub_queries: From what empire did students come from to attend university? Answer: Holy Roman Empire
dynasty that gave birth to Holy Roman Empire Answer: the Carolingian family