Princess Ragnhild, Mrs Lorentzen, born on 9 June 1930, is sister of King Harald and Princess Astrid, Mrs Lorentzen.
She is the first child of Crown Prince Olav, later King Olav V (1903-1991), and Crown Princess Märtha (1901-1954, b. Princess of Sweden).
She was the first European princess to marry a commoner when married Norwegian shipowner Erling Lorentzen (b. 28. January 1923, also present) on 15 May 1953.
The couple have three children and four grandchildren and live in Rio de Janeiro, Brazil.
Two of their children, Haakon Lorentzen and Ingeborg Lorentzen Ribeiro, are present with their respective spouses, Martha Lorentzen and Paulo Ribeiro.