Question: The Boniface Association owes its name to which Anglo-Saxon missionary through the Frankish Empire?

full_context: Document 1: Theodor Schieffer: Theodor Schieffer (11 June 1910 in Bad Godesberg – 9 April 1992 in Bad Godesberg) was a German historian. He was professor of medieval history at the University of Mainz, then at the University of Cologne, and since 1952 he was president of the Association for Middle Rhine Church History. He is the author of "Winfrid-Bonifatius und die christliche Grundlegung Europas", the authoritative biography of Saint Boniface.
Document 2: Apostolic Nuncio to Germany: The Apostolic Nunciature to Germany is an ecclesiastical office of the Roman Catholic Church in Germany. It is a diplomatic post of the Holy See, whose representative is called the Apostolic Nuncio to Germany with the rank of an ambassador. The office of the nunciature has been located in Berlin since 1925, in personal union with the new Apostolic Nuncio to Prussia until 1934. Between 1920 and 1925 the nunciature was held in personal union by the Apostolic Nuncio to Bavaria, seated in Munich. With the unconditional surrender of Germany in 1945 the diplomatic ties were interrupted and reestablished for West Germany only in 1951, then in Bonn. In 2001 the nunciature moved again to Berlin.
Document 3: Augustine of Canterbury: Augustine of Canterbury (born first third of the 6th century – died probably 26 May 604) was a Catholic Benedictine monk who became the first Archbishop of Canterbury in the year 597. He is considered the "Apostle to the English" and a founder of the Catholic Church in England.
Document 4: Protestantism in France: Protestantism in France has existed in its various forms starting with Calvinists and Lutherans since the Protestant Reformation. John Calvin was a Frenchman, as well as numerous other Protestant Reformers including William Farel, Pierre Viret and Theodore Beza, who was Calvin's successor in Geneva. Peter Waldo (Pierre Vaudes/de Vaux) was a merchant from Lyons, who founded a pre-Protestant group. Martin Bucer was born to German minority in Alsace, which historically belonged to the Holy Roman Empire, but now belongs to France.
Document 5: Boniface Association: The Boniface Association, in German Bonifatiuswerk, is a Roman Catholic organization whose primary aim is to support Catholicism in largely Protestant areas of Germany and areas formerly part of the German empire. Founded in 1849 and still in existence, it owes its name to Saint Boniface, traditionally hailed as "The Apostle of the Germans."
Document 6: Apostolic Nuncio to Bavaria: The Apostolic Nunciature to Bavaria was an ecclesiastical office of the Roman Catholic Church in Bavaria. It was a diplomatic post of the Holy See, whose representative was called the Apostolic Nuncio to Bavaria, a state – consecutively during the nunciature's existence – of the Holy Roman Empire, of its own sovereignty, and then of Imperial, Weimar and finally Nazi Germany. The office of the nunciature was located in Munich from 1785 to 1936. Prior to this, there was one nunciature in the Holy Roman Empire, which was the nunciature in Cologne, accredited to the Achbishop-Electorates of Cologne, Mainz and Trier.
Document 7: Magnus of Füssen: Saint Magnus of Füssen, otherwise Magnoald or Mang, was a missionary saint in southern Germany, also known as the Apostle of the Allgäu. He is believed to have been a contemporary either of Saint Gall (died 627) or of Saint Boniface (died 754) and is venerated as the founder of St. Mang's Abbey, Füssen.
Document 8: Anglo-Saxon mission: Anglo-Saxon missionaries were instrumental in the spread of Christianity in the Frankish Empire during the 8th century, continuing the work of Hiberno-Scottish missionaries which had been spreading Celtic Christianity across the Frankish Empire as well as in Scotland and Anglo-Saxon England itself during the 6th century (see Anglo-Saxon Christianity).
Document 9: History of the Catholic Church in Germany: The history of Roman Catholicism in Germany should be read in parallel with the History of Germany as it was progressively confused, in competition with, oppressed by and distinguished from, the state. The long history of Roman Catholicism in Germany can also explain much of the History of the Roman Catholic Church, especially in the period of the Middle Ages, under the Holy Roman Empire.
Document 10: Paulinus of York: Paulinus (died 10 October 644) was a Roman missionary and the first Bishop of York. A member of the Gregorian mission sent in 601 by Pope Gregory I to Christianize the Anglo-Saxons from their native Anglo-Saxon paganism, Paulinus arrived in England by 604 with the second missionary group. Little is known of Paulinus' activities in the following two decades.
Document 11: Saint Boniface: Saint Boniface (Latin: "Bonifatius" ; 675 – 5 June 754 AD), born Winfrid, Wynfrith, or Wynfryth in the kingdom of Wessex in Anglo-Saxon England, was a leading figure in the Anglo-Saxon mission to the Germanic parts of the Frankish Empire during the 8th century. He established the first organized Christianity in many parts of Germania. He is the patron saint of Germania, the first archbishop of Mainz and the "Apostle of the Germans". He was killed in Frisia in 754, along with 52 others. His remains were returned to Fulda, where they rest in a sarcophagus which became a site of pilgrimage. Facts about Boniface's life and death as well as his work became widely known, since there is a wealth of material available—a number of "vitae", especially the near-contemporary "Vita Bonifatii auctore Willibaldi", and legal documents, possibly some sermons, and above all his correspondence.
Document 12: Saint Patrick: Saint Patrick (Latin: "Patricius" ; Irish: "Pádraig" ] ; Welsh: "Padrig" ) was a fifth-century Romano-British Christian missionary and bishop in Ireland. Known as the "Apostle of Ireland", he is the primary patron saint of Ireland, along with saints Brigit of Kildare and Columba. He is also venerated in the Anglican Communion, the Old Catholic Church and in the Eastern Orthodox Church as equal-to-the-apostles and "Enlightener of Ireland".
Document 13: Willibrord: Willibrord (Latin: "Villibrordus" ; 658 – 7 November AD 739) was a Northumbrian missionary saint, known as the "Apostle to the Frisians" in the modern Netherlands. He became the first Bishop of Utrecht and died at Echternach, Luxembourg.
Document 14: Donar's Oak: Jove's Oak ("interpretatio romana" for Donar's Oak and therefore sometimes referred to as Thor's Oak) was a sacred tree of the Germanic pagans located in an unclear location around what is now the region of Hesse, Germany. According to the 8th century "Vita Bonifatii auctore Willibaldi", the Anglo-Saxon missionary Saint Boniface and his retinue cut down the tree earlier the same century. Wood from the oak was then reportedly used to build a church at the site dedicated to Saint Peter. Sacred trees and sacred groves were widely venerated by the Germanic peoples.
Document 15: Saxons: The Saxons (Latin: "Saxones" , Old English: "Seaxe" , Old Saxon: "Sahson" , Low German: "Sassen" , German: "Sachsen" , Dutch: "Saksen" , Welsh: "Saeson" ) were a group of Germanic tribes first mentioned as living near the North Sea coast of what is now Germany (Old Saxony), in the late Roman empire. They were soon mentioned as raiding and settling in many North Sea areas, as well as pushing south inland towards the Franks. Significant numbers settled in large parts of Great Britain in the early Middle Ages and formed part of the merged group of Anglo-Saxons who eventually organised the first united Kingdom of England. Many Saxons however remained in Germania (Old Saxony c. 531-804), where they resisted the expanding Frankish Empire through the leadership of the semi-legendary Saxon hero, Widukind. Initially, Saxons of Britain and those of Old Saxony (Northern Germany) were both referred to as 'Saxons' in an indiscriminate manner. The term Anglo-Saxon, in turn, came into practice in the 8th century (probably by Paul the Deacon) to distinguish English Saxons from continental Saxons (Ealdseaxe, 'old Saxons').
ground_truth: Saint Boniface