▁directly ▁with ▁the ▁po pe , ▁by pass ing ▁the ▁Arch bishop ▁of ▁Hamburg - Bre men . ▁During ▁his ▁reign ▁hundreds ▁of ▁small ▁wooden ▁churches ▁were ▁built ▁throughout ▁the ▁kingdom ; ▁many ▁were ▁re built ▁in ▁stone ▁in ▁the ▁ 1 2 th ▁century . ▁S we yn ▁sought ▁to ▁create ▁a ▁Nord ic ▁Arch bishop ric ▁under ▁Dan ish ▁rule , ▁a ▁fe at ▁which ▁his ▁son ▁Eric ▁I ▁accomplished . ▁ ▁S we yn ▁seems ▁to ▁have ▁been ▁able ▁to ▁read ▁and ▁write , ▁and ▁was ▁described ▁as ▁an ▁especially ▁educated ▁monarch ▁by ▁his ▁personal ▁friend ▁Pope ▁Gregory ▁VII . ▁He ▁is ▁the ▁source ▁of ▁much ▁of ▁our ▁current ▁knowledge ▁about ▁Den mark ▁and ▁Sweden ▁in ▁the ▁ 9 th ▁and ▁ 1 0 th ▁centuries , ▁having ▁told ▁the ▁story ▁of ▁his ▁ancest ry ▁to ▁historian ▁Adam ▁of ▁Bre men ▁around ▁ 1 0 7 0 . ▁ ▁Family ▁S we yn ' s ▁first ▁marriage ▁was ▁to ▁Gy da ▁of ▁Sweden , ▁daughter ▁of ▁king ▁An und ▁Jacob ▁of ▁Sweden . ▁His ▁second ▁marriage , ▁in ▁ 1 0 5 0 , ▁was ▁to ▁G unn h ild r ▁S ve ins d ó tt ir , ▁the ▁ste pm other ▁of ▁Gy da . ▁The ▁Arch bishop ▁of ▁Hamburg - Bre men ▁ordered ▁that ▁the ▁union ▁be ▁dissol ved , ▁which ▁was ▁effect u ated ▁by ▁Pope ▁Leo ▁IX . ▁After ▁Har ald ▁Hard r ada ' s ▁death , ▁S we yn ▁married ▁his ▁wid ow