Task: Explanation
Input (English): The Vengeance of Rome (2006) is a novel by Michael Moorcock. It is the fourth in the Pyat Quartet tetralogy. In this novel, Colonel Pyat, an incarnation of the Eternal Champion, goes to Italy and Germany, where he becomes involved in Fascism and Naziism, including sexual encounters with Ernst Röhm and Adolf Hitler and a sojourn in Dachau. Mrs Cornelius, the mother of Jerry Cornelius, is another major character. The end of the novel sees Pyat confronted with his ambiguous heritage and his own unreliability as a narrator. Question: The Vengeance of Rome (2006) is a novel by Michael Moorcock, in this novel, Colonel Pyat, an incarnation of the Eternal Champion, goes to Italy and Germany, where he becomes involved in Fascism and Naziism, including sexual encounters with which German military officer and an early member of the Nazi Party? Answer: Ernst Julius Günther Röhm
Output (English):  In this novel, Colonel Pyat, an incarnation of the Eternal Champion, goes to Italy and Germany, where he becomes involved in Fascism and Naziism, including sexual encounters with Ernst Röhm and Adolf Hitler and a sojourn in Dachau.