The Reverend Caspar Castner (7 October 1655 – 9 November 1709) was a

Jesuit The Society of Jesus (; abbreviation: S.J. or SJ), also known as the Jesuit Order or the Jesuits ( ; ), is a religious order (Catholic), religious order of clerics regular of pontifical right for men in the Catholic Church headquartered in Rom ...

missionary A missionary is a member of a Religious denomination, religious group who is sent into an area in order to promote its faith or provide services to people, such as education, literacy, social justice, health care, and economic development.Thoma ...

to the

Qing Empire The Qing dynasty ( ), officially the Great Qing, was a Manchu-led Dynasties of China, imperial dynasty of China and an early modern empire in East Asia. The last imperial dynasty in Chinese history, the Qing dynasty was preceded by the ...

Life

Caspar Castner was born in

Munich Munich is the capital and most populous city of Bavaria, Germany. As of 30 November 2024, its population was 1,604,384, making it the third-largest city in Germany after Berlin and Hamburg. Munich is the largest city in Germany that is no ...

Bavaria Bavaria, officially the Free State of Bavaria, is a States of Germany, state in the southeast of Germany. With an area of , it is the list of German states by area, largest German state by land area, comprising approximately 1/5 of the total l ...

, on 7 October 1655. He entered the

Society of Jesus The Society of Jesus (; abbreviation: S.J. or SJ), also known as the Jesuit Order or the Jesuits ( ; ), is a religious order of clerics regular of pontifical right for men in the Catholic Church headquartered in Rome. It was founded in 1540 ...

("Jesuits") on 17 September 1681, and studied

theology Theology is the study of religious belief from a Religion, religious perspective, with a focus on the nature of divinity. It is taught as an Discipline (academia), academic discipline, typically in universities and seminaries. It occupies itse ...

Ingolstadt Ingolstadt (; Austro-Bavarian language, Austro-Bavarian: ) is an Independent city#Germany, independent city on the Danube, in Upper Bavaria, with 142,308 inhabitants (as of 31 December 2023). Around half a million people live in the metropolitan ...

. He finished his studies there on 22 March 1694. For a short time, he taught

logic Logic is the study of correct reasoning. It includes both formal and informal logic. Formal logic is the study of deductively valid inferences or logical truths. It examines how conclusions follow from premises based on the structure o ...

at the gymnasium in

Ratisbon Regensburg (historically known in English as Ratisbon) is a city in eastern Bavaria, at the confluence of the rivers Danube, Naab and Regen, Danube's northernmost point. It is the capital of the Upper Palatinate subregion of the state. With m ...

. Afterward, he devoted himself to the work of missions and sailed in 1696 for

China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

at the head of a company of brother Jesuits from

Portugal Portugal, officially the Portuguese Republic, is a country on the Iberian Peninsula in Southwestern Europe. Featuring Cabo da Roca, the westernmost point in continental Europe, Portugal borders Spain to its north and east, with which it share ...

and

Genoa Genoa ( ; ; ) is a city in and the capital of the Italian region of Liguria, and the sixth-largest city in Italy. As of 2025, 563,947 people live within the city's administrative limits. While its metropolitan city has 818,651 inhabitan ...

. In China, where he was known as Pang Jiabin, he laboured with great success on

Shangchuan Island Shangchuan Island (, also known as "Schangschwan", "Sancian", "Sanchão", "Chang-Chuang", "St. John's Island" or "St John Island") is the main island of Chuanshan Archipelago on the southern coast of Guangdong, China. Administratively, it is a p ...

and in the city of

Foshan Foshan (, ; Chinese: 佛山) is a prefecture-level city in central Guangdong Province, China. The entire prefecture covers and had a population of 9,498,863 as of the 2020 census. The city is part of the western side of the Pearl River Delta m ...

, then a competitor of

Guangzhou Guangzhou, Chinese postal romanization, previously romanized as Canton or Kwangchow, is the Capital city, capital and largest city of Guangdong Provinces of China, province in South China, southern China. Located on the Pearl River about nor ...

. In 1702 he went with fellow missionary François Noël to

Lisbon Lisbon ( ; ) is the capital and largest city of Portugal, with an estimated population of 567,131, as of 2023, within its administrative limits and 3,028,000 within the Lisbon Metropolitan Area, metropolis, as of 2025. Lisbon is mainlan ...

and

Rome Rome (Italian language, Italian and , ) is the capital city and most populated (municipality) of Italy. It is also the administrative centre of the Lazio Regions of Italy, region and of the Metropolitan City of Rome. A special named with 2, ...

in order, as representative of the

bishop A bishop is an ordained member of the clergy who is entrusted with a position of Episcopal polity, authority and oversight in a religious institution. In Christianity, bishops are normally responsible for the governance and administration of di ...

s of

Nanjing Nanjing or Nanking is the capital of Jiangsu, a province in East China. The city, which is located in the southwestern corner of the province, has 11 districts, an administrative area of , and a population of 9,423,400. Situated in the Yang ...

and

Macao Macau or Macao is a special administrative region of the People's Republic of China (PRC). With a population of about people and a land area of , it is the most densely populated region in the world. Formerly a Portuguese colony, the ter ...

, to argue against the Bishop of Fujian's reopening of the Chinese Rites controversy. In 1706, he returned to China, bringing with him a number of missionaries. He died in

Beijing Beijing, Chinese postal romanization, previously romanized as Peking, is the capital city of China. With more than 22 million residents, it is the world's List of national capitals by population, most populous national capital city as well as ...

, on 9 November 1709. He was buried in the Jesuits'

Zhalan Cemetery Zhalan Cemetery ( zh, 滕公栅栏; zh, p=ténggōng zhàlan) is a former Jesuit burial ground in Beijing. It was initially established in the late Ming dynasty for the burial of Matteo Ricci. The current setup is a restoration using origin ...

in Beijing.

Works

Noël and Castner collaborated on a number of reports on the question of Chinese rites. Castner also wrote , a description of Shangchuan Island and his work there from 19 March to 2 June 1700 erecting a memorial on the grave of

Francis Xavier Francis Xavier, Jesuits, SJ (born Francisco de Jasso y Azpilicueta; ; ; ; ; ; 7 April 15063 December 1552), venerated as Saint Francis Xavier, was a Kingdom of Navarre, Navarrese cleric and missionary. He co-founded the Society of Jesus ...

. The book included a map of the island. One of the few copies printed in China is in the so-called "Orban'sche Sammlung" of the library of the

University of Munich The Ludwig Maximilian University of Munich (simply University of Munich, LMU or LMU Munich; ) is a public university, public research university in Munich, Bavaria, Germany. Originally established as the University of Ingolstadt in 1472 by Duke ...

. A translation was published by Father Joseph Stöcklein in his "Welt-Bott" (Augsburg, 1729), No. 309. The title-page and map are reproduced in the work of

Henri Cordier Henri Cordier (8 August 184916 March 1925) was a French linguist, historian, ethnographer, author, editor and Orientalist. He was President of the Société de Géographie ( French, "Geographical Society") in Paris.

Legacy

Besides his apostolic work, Castner worked in the sciences of

navigation Navigation is a field of study that focuses on the process of monitoring and controlling the motion, movement of a craft or vehicle from one place to another.Bowditch, 2003:799. The field of navigation includes four general categories: land navig ...

astronomy Astronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos. It uses mathematics, physics, and chemistry in order to explain their origin and their overall evolution. Objects of interest includ ...

, and

cartography Cartography (; from , 'papyrus, sheet of paper, map'; and , 'write') is the study and practice of making and using maps. Combining science, aesthetics and technique, cartography builds on the premise that reality (or an imagined reality) can ...

. He called the attention of the Portuguese Government to the fact that the voyage to Macau would be much shorter if the vessels followed a direct course from the

Cape of Good Hope The Cape of Good Hope ( ) is a rocky headland on the Atlantic Ocean, Atlantic coast of the Cape Peninsula in South Africa. A List of common misconceptions#Geography, common misconception is that the Cape of Good Hope is the southern tip of Afri ...

by the way of the

Sunda Islands The Sunda Islands (; Tetun: ''Illa Sunda'') are a group of islands in the Indonesian Archipelago. They consist of the Greater Sunda Islands and the Lesser Sunda Islands. Etymology "Sunda" denotes the continental shelves or landmasses: the Sun ...

, avoiding

Mozambique Mozambique, officially the Republic of Mozambique, is a country located in Southeast Africa bordered by the Indian Ocean to the east, Tanzania to the north, Malawi and Zambia to the northwest, Zimbabwe to the west, and Eswatini and South Afr ...

and

Goa Goa (; ; ) is a state on the southwestern coast of India within the Konkan region, geographically separated from the Deccan highlands by the Western Ghats. It is bound by the Indian states of Maharashtra to the north, and Karnataka to the ...

, and the result showed that he was right. He did excellent work in the mapping of the

Chinese Empire Chinese Empire (), or Empire of China, refers to the realm ruled by the Emperor of China during the era of Imperial China. It was coined by western scholars to describe the Ming dynasty, Ming and Qing dynasty, Qing dynasties (or imperial Dyna ...

, and had so great a reputation as a

mathematician A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, mathematical structure, structure, space, Mathematica ...

that he was made president of the mathematical tribunal and instructor of the heir to the throne.

References

* {{DEFAULTSORT:Castner, Caspar 1655 births 17th-century German Jesuits Jesuit missionaries in China 1709 deaths German Roman Catholic missionaries German missionaries in China