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Siegen,city (1994 pop. 111,845), North Rhine–Westphalia, W Germany, on the Sieg River. Iron ore is mined nearby, and the city has iron foundries. Other manufactures include leather goods and machinery. Siegen was the residence of the princes of Nassau-Siegen from 1606 to 1743. The city was severely damaged in World War II. Noteworthy buildings include two castles and the Nikolaikirche, a 13th-century church. Flemish painter Peter Paul Rubens was born (1577) in Siegen.
a city in the Federal Republic of Germany, in the state of Nordrhein-Westfalen. Population, 58,400 (1970). Siegen is the center of the Siegerland iron-ore region. The city is noted for its metallurgical industry (ferroalloys, high-quality steel, and thin-sheet rolled steel), machine building, and the leather industry. Siegen is the birthplace of the artist Rubens.