She received the Magritte Award for Best Actress for her work in Road to Istanbul (2016).
She is daughter of Charles-Albert Ullens de Schooten Whettnall (1927-2006) and his wife Countess Madeleine Berndotte (b. 1938). Through her maternal grandfather Prince Carl Bernadotte, she is great-great-granddaughter of King Oscar II of Sweden and Norway and King Frederick VIII of Denmark; being she a third cousin of King Carl XVI Gustaf of Sweden, second cousin of King Philippe of Belgium and Grand Duke Henri of Luxembourg and second cousin, once removed, of Queen Margrethe II of Denmark and Queen Anne-Marie of Greece. She is also a descendant of King George II of Great Britain and King William I of the Netherlands.
Source: Article "Astrid Whettnall" from Wikipedia in English, licensed under CC-BY-SA 3.0.