Question: When did Maximilian, Duke Of Hohenberg's father die?
Sentence (from "Maximilian, Duke of Hohenberg"): Maximilian, Duke von Hohenberg ("Maximilian Karl Franz Michael Hubert Anton Ignatius Joseph Maria"; 29 September 1902 – 8 January 1962), was the elder son of Archduke Franz Ferdinand of Austria-Hungary and his wife Countess Sophie Chotek von Chotkowa und Wognin, Duchess von Hohenberg.
Relevant evidence: Yes