Erling Lorentzen is the widower of a princess born in which year ?
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. She was the older sister of King Harald V and Princess Astrid.
Princess Marie Adelaide of Luxembourg Princess Marie-Adélaïde of Luxembourg (Marie-Adélaïde Louise Thérèse Wilhelmine; 21 May 1924 – 28 February 2007) was a Luxembourgish princess, the third child and the second daughter of Grand Duchess Charlotte (1896–1985) and Felix of Bourbon-Parma (1893–1970).