Question: What German Field Marshall was the uncle of Helmuth von Moltke the Younger, claimed to have ruined the Schlieffen Plan?
Sentence (from "Helmuth von Moltke the Younger"): Helmuth Johann Ludwig von Moltke (] ; 23 May 1848 – 18 June 1916), also known as Moltke the Younger, was a nephew of "Generalfeldmarschall" (Field Marshal) Helmuth Karl Bernhard von Moltke and served as the Chief of the German General Staff from 1906 to 1914.
Relevant evidence: Yes