Christian Frederik Lorentzen (born May 23, 1988 in Rio de Janeiro, Brazil.) is the son of Haakon Lorentzen and Martha Carvalho Lorentzen (née de Freitas), and great-grandson of Olav V of Norway. He is 70th in line to the British Throne. is the 143rd day of the year (144th in leap years) in the Gregorian calendar. ... Year 1988 (MCMLXXXVIII) was a leap year starting on Friday (link displays 1988 Gregorian calendar). ... This article is about the Brazilian city. ... Haakon Lorentzen is the father of Olav Lorentzen. ... His Majesty King Olav V (July 2, 1903 - January 17, 1991) reigned as King of Norway from 1957 to 1991. ... HRH The Prince of Wales, the Heir Apparent. ...