The engagement was celebrated at the royal residence in Bergen in 1219, and the wedding took place there on May 25, 1225; however, in 1239, the conflict between her father and King Haakon Haakonsson (King of Norway neither in 1217 nor in 1263) erupted into open warfare.
Haakon IV Haakonsson (ca. March/April 1204  16 December 1263; Old Norse: Hakon Hakonarson; Norwegian: Hakon Hakonsson), sometimes called Haakon the Old in contrast to his namesake son, was King of Norway from 1217 to 1263. 
