Haakon the Young
Håkon Håkonsson un ( born November 11, 1232 Bergen, † May 5, 1257 in Tønsberg ) was co-regent with his father Håkon and Skule Håkonsson Bårdsson.
His parents were King Håkon IV Håkonsson (1204-1263) and his wife Margaret Skulesdatter († 1270). In the fall of 1251 he married in Oslo Rikitsa Birgersdatter († 1288 ), daughter of Birger Jarl and his wife Ingeborg Eriksdatter
Håkon Håkonsson uncer received on 1 April 1240 the Øyrathing the names of kings before the decisive battle between his father and Skule Bårdsson. On April 12, 1240, this ceremony was solemn and by an assembly, which represented the kingdom to a greater extent, repeated in Bergen. This was due to the uprising Skule Bårdssons. The successor should be the case that the father Håkon Håkonson should die, are fixed. At the same time the principle of legitimacy was accepted as the candidacy of his illegitimate half-brother Sigurd was not renewed. Likewise, the law of succession was the basic principle of succession. After Håkon Håkonsson saga declined from the father, however, introduce the principle of Einkönigtums so that both un and Håkon Magnus received the royal name. The problem solved itself, as Håkon died un 1257.
He took on important political and military tasks in the Reich government. Håkon un is officially mentioned for the first time at the coronation of his father in 1247 as a " secular chief ," and he wore the crown in the procession from the royal court to the Christian church. As soon as he was of age, he came as co-regent in the government circle around the king. He sealed on October 6, 1250 along with his father the trade agreement with Lübeck represented by the Ratsendboten John of Bardewik, where he is mentioned first in the list of witnesses.
His marriage with Rikitsa Birgersdatter was a part of the new foreign policy of Norway, which should put Denmark under military and political pressure. This required the settlement of disputes between Norway and Sweden.
After 1249 he regularly participated in the military campaigns in the border areas along the Göta part älv. 1255 he negotiated with the King Ferdinand III. of Castile on the conditions of the marriage contract with his sister Kristin. In the summer of 1256 he was on the campaign in Halland and made in the fall at another train large prey. He was apparently able to operate a fairly independent policy.
In January Håkon should un with an emissary of Ferdinand III. because of his marriage to Kristin meet. He fell ill in the spring of 1257 and died on May 5 in Munkelivkloster in Tønsberg. He was buried in the Hallvardskirche in Oslo at the side of King Sigurdur Jórsalafari. A year later Rikitsa traveled to Sweden, where they a few years later the North German Count Henry I of Werle married. The only son of Håkon and Sverre Magnus was Rikitsa Håkonsson. He lived in mountains with his grandfather and died in winter 1260/1261.