Question: When did Princess Ragnhild, Mrs. Lorentzen's mother die?
Sentence (from "Princess Ragnhild, Mrs. Lorentzen"): Princess Ragnhild, Mrs Lorentzen (Ragnhild Alexandra; 9 June 1930 – 16 September 2012), was the eldest child of King Olav V of Norway and Princess Märtha of Sweden.
Relevant evidence: Yes