Born on July 20, 1973, at Rikshospital in Oslo, Haakon Magnus is the younger child of King Harald V and his wife Sonja (his sister, Martha Louise, is two years older than him). Born on July 20, 1973, at Rikshospital in Oslo, Haakon Magnus is the younger child of King Harald V and his wife Sonja (his sister, Martha Louise, is two years older than him). The young prince's childhood, spent at the family's country estate of Skaugum, was idyllic. The young Haakon's sole public duty was on Constitution Day, May 17 of each year, when he would wave to the children's procession from the palace balcony. Prince Haakon he became Crown Prince on the death of his grandfather Olav in January 1991 was educated at local state schools, before beginning a four-year naval career. Then he began setting royal precedents. Rather than follow his father and his grandfather before him to Balliol, said to be the most intellectual of Oxford University's colleges, the crown prince enrolled at the University of California, Berkeley, where he gained a Bachelor's degree in political science. He continued his education at Oslo University, where he studied law and social science.