Question: What county shares a border with another county, where the birthplace of Cyrus David Foss is found?

full_context: Document 1: Cyrus David Foss: Foss was born in Kingston, New York on January 17, 1834. He attended Wesleyan University, graduating in 1854. He began his career teaching, and then entered the ministry. Foss was "pastor of the most prominent Methodist churches in this city [New York] and Brooklyn."
Document 2: John F. Kinney: He was born in New Haven, New York, the fourth child and second son of Stephen Fitch Kinney (1789–1872) and Abby Brockway (1788–1824). Having completed public school and a more select school, he entered the Oswego Academy at age 16. After two years of higher learning there, he entered the law office of Orville Robinson, with whom he studied law for two and half years. He then moved to Marysville, Ohio, where he resumed his law studies. He was admitted to the bar in 1837 and began the practice of law in Marysville.
Document 3: C. K. Schoonmaker Stone House: The C. K. Schoonmaker Stone House is located on Queens Highway near the hamlet of Kerhonkson, New York, United States, in the Ulster County town of Rochester. It is a stone bank house erected in the early 19th century.
Document 4: Kingston, Hampshire: Kingston is a residential area of the city of Portsmouth in the English county of Hampshire, located between Buckland, Fratton and North End. It was a recognised suburb of the city by the middle of the 19th century.
Document 5: Kingston upon Thames: Kingston upon Thames, also known as Kingston, is an area of south west London, England, located 10.4 miles (16.7 km) south west of Charing Cross. It is the administrative centre of the Royal Borough of Kingston upon Thames, and identified as a major metropolitan centre in the London Plan.
Document 6: Yusuf Çetin: A native of Turkey's Dargeçit district, known to its Assyrian/Syriac native population as Kerburan, parts of which are located in southeastern Anatolia's Mardin Province, Yusuf Çetin expressed interest in Syriac Church doctrine at an early age. In the course of completing his secondary education, he also learned the Syriac language and subsequently attended his home province's Mor Gabriel Monastery, Syriac Orthodoxy's oldest surviving monastic institution. Having demonstrated exceptional acuity for learning and spiritual instruction, he was ordained a priest in 1971, at the unusually early age of 17, and shortly thereafter was entrusted with instructing theology to the next generation of devout youth. By 1977 he was consecrated with the title of "spiritual" and received an invitation from Patriarch Moran Mor Ignatius Zakka I Iwas to come to Syria, thus enabling his attendance at Damascus' St. Mor Efrem School of Theology. Receiving a diploma in the aftermath of three years' intensive study, he ultimately received appointment as dean of the school.
Document 7: Neichen: Neichen is an "Ortsgemeinde" – a municipality belonging to a "Verbandsgemeinde", a kind of collective municipality – in the Vulkaneifel district in Rhineland-Palatinate, Germany. It belongs to the "Verbandsgemeinde" of Kelberg, whose seat is in the like-named municipality.
Document 8: Germantown (town), New York: Germantown is a town in Columbia County, New York, United States. The population was 1,954 at the 2010 census. Germantown is located in the southwest part of the county, along the east side of the Hudson River.
Document 9: Marlborough, New York: Marlborough is a town in Ulster County, New York, United States. The population was 8,808 at the 2010 census. The town was named after the Duke of Marlborough. The Town of Marlborough is in the southeast part of the county. U.S. Route 9W passes through the eastern part of the town. US Route 44 and NY 55 cross the northwest corner of the town.
Document 10: David Friesenhausen: In 1756, David Friesenhausen was born in Friesenhausen, a small community in southern Germany, northeast of Frankfurt. In 1783, Friesenhausen married, but was divorced four years later. For the first 30 years of his life, Friesenhausen dedicated himself exclusively Torah study. His teachers included Joseph Steinhardt at Fürth and Moses Sofer of Pressburg. The latter attested that Friesenhausen was one of the outstanding students in his yeshiva. In 1786, Friesenhausen began immersing himself in various secular subjects, including math, astronomy, and philosophy.
Document 11: Kingston (town), New York: Kingston is a town in Ulster County, New York, United States. The Town of Kingston is in the northeast part of Ulster County, north of the City of Kingston. Kingston is inside the Catskill Park. The population was 889 at the 2010 census.
Document 12: Northshire, Delaware: Northshire is an unincorporated community in New Castle County, Delaware, United States. Northshire is located northeast of the intersection of Delaware Route 261 and Grubb Road to the northeast of Wilmington.
Document 13: Charles Wesley: Charles Wesley was the eighteenth child of Susanna Wesley and Samuel Wesley. He was born in Epworth, Lincolnshire, England, where his father was rector. He was educated at Westminster School and Christ Church, Oxford, where he was ordained. At Oxford, Charles formed a prayer group among his fellow students in 1727; his elder brother, John, joined in 1729, soon becoming its leader and moulding it in line with his own convictions. They focused on studying the Bible and living a holy life. Other students mocked them, saying they were the "Holy Club", "Sacramentarians", and "the Methodists", being methodical and exceptionally detailed in their Bible study, opinions and disciplined lifestyle. George Whitefield joined the group. After graduating with a master's degree in classical languages and literature, Charles followed his father and brother into Anglican orders in 1735.
Document 14: Mountainville Grange Hall: The Mountainville Grange Hall is located on NY 32 just south of the hamlet of Mountainville in the town of Cornwall, Orange County, New York, United States. Built in 1904, the Grange sold it in 1984 to the Jerusalem Temple Lodge No. 721, a local Masonic body, and renamed the Cornwall Masonic Temple.
Document 15: Chichester, New York: The hamlet of Chichester, New York, formerly referred to as Chichesterville, is one of the northernmost communities in the town of Shandaken, New York, being right next to the borderline between Ulster County and Greene County.
ground_truth: Greene County
sub_queries: Cyrus David Foss >> place of birth Answer: Kingston
Kingston >> located in the administrative territorial entity Answer: Ulster County
Ulster County >> shares border with Answer: Greene County