Sweyn Haakonsson earl of the house of Hlaðir and co-ruler of Norway (0966–1016) Parents Tora Skagesdatter Hákon Sigurðsson Children Gunnhildr Sveinsdóttir Siblings Aud Haakonsdottir of Lade Bergljot Haakonsdatter Eric Haakonsson Ingebjörg Håkonsdatter Ragnhild Haakonardottir av Lade Partners Holmfrid of Sweden