Question: What state of Germany was Ernst Wilhelm Hengstenberg from?
Related documents: [0]  [DOC] Ernst Wilhelm Theodor Herrmann Hengstenberg (20 October 1802, in Fröndenberg – 28 May 1869, in Berlin), was a German Lutheran churchman and neo-Lutheran theologian from an old and important Dortmund family. [END] 
[1]  [DOC] Dortmund (] ; Low German: "Düörpm" [ˈdyːœɐ̯pm̩] ; Latin: "Tremonia" ) is an independent city in North Rhine-Westphalia, Germany. It is in the middle part of the state and is considered to be the administrative, commercial and cultural centre of the eastern Ruhr area. Its population of 581,612 (2015) makes it the 8th largest city in Germany. Moreover, Dortmund is the largest city by area and population in the Ruhr Area, an urban area with some 5.1 million (2011) inhabitants which is the largest urban agglomeration in Germany. [END] 
Answer: 
North Rhine-Westphalia
North Rhine-Westphalia