 In relating the stories in the saga, Sturla would have been able to interview contemporaries of the King and those that had taken the journey to Spain with Christina.In the 19th century, Norwegian historian Peter Andreas Munch related the story of King Haakon's daughter, Christina, in his work, "A History of the Norwegian People" (Det norske folks historie), which was published in the 1850s.The saga narrates how King Haakon sent a delegation to Castile in 1255 where they presented gifts to the court of falcons, furs, and leather.