Question: Prince Alexander von Fürstenberg's parents got divorced in what year?
Sentence (from "Diane von Fürstenberg"): Diane von Fürstenberg, formerly Princess Diane of Fürstenberg (German: "Diane Prinzessin zu Fürstenberg" ; born Diane Simone Michelle Halfin; December 31, 1946) is a Belgian-American fashion designer best known for her iconic wrap dress.
Relevant evidence: No