We are supposed to believe that Pitt's Harrer has learned to be a better person; offered as proof is his changed attitude toward his son, Rolf (whose name in real life is Peter).
Rolf is named Peter but was called Rolf after his father.
mnli hypothesis: Rolf is named Peter but was called Rolf after his father. premise: We are supposed to believe that Pitt's Harrer has learned to be a better person; offered as proof is his changed attitude toward his son, Rolf (whose name in real life is Peter).