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 Therese of Saxe-Altenburg "Teresia" Amalia Karolina Josefina Antoinetta of Saxe-Altenburg ("Thérèse"), (21 December 1836 – 9 November 1914), was a Princess of Sweden and Norway as the spouse of Prince August of Sweden & Norway, Duke of Dalarna.