Question: Which realm was passed onto this duke whose father passed away before his birth and whose history was documented in the memoirs of Helene Kottanner?
Sentence (from "Helene Kottanner"): Helene Kottanner (née Wolfram; Hungarian: "Kottaner Ilona" ; c. 1400 – after 1470) was a Hungarian courtier and writer.
Relevant evidence: No