Erling Lorentzen is the widower of a princess born in which year ?
Erling Lorentzen: Erling Sven Lorentzen (born 28 January 1922) is a Norwegian shipowner and industrialist who has lived in Brazil for decades. 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.
i don't know