Question: What is the date of birth of Anders Heger's mother?
Sentence (from "Wanda Hjort Heger"): Wanda Maria Heger (née Wanda Maria von der Marwitz Hjort; 9 March 1921 – 27 January 2017) was a Norwegian social worker noted for her efforts to help Norwegian and other prisoners in Nazi concentration camps during World War II.
Relevant evidence: Yes