▁wife ▁around ▁ 1 1 9 5 . ▁This ▁was ▁In grid ▁Y l va ▁who , ▁according ▁to ▁the ▁Swedish ▁reform er ▁and ▁historian ▁O laus ▁Pet ri , ▁was ▁a ▁daughter ▁of ▁S une ▁S ik . ▁The ▁same ▁information ▁is ▁found ▁in ▁a ▁medieval ▁gene al ogy ▁copied ▁in ▁the ▁ 1 6 th ▁century . ▁S une ▁S ik , ▁if ▁he ▁existed , ▁was ▁a ▁younger ▁son ▁of ▁King ▁Sver ker ▁I ▁of ▁Sweden . ▁ ▁Children ▁From ▁first ▁marriage : ▁E sk il ▁Magn us son , ▁La ws pe aker ▁of ▁V ä ster g öt land ▁between ▁ 1 2 1 7 ▁and ▁ 1 2 2 5 . ▁He ▁was ▁married ▁to ▁Krist ina , ▁the ▁grand d augh ter ▁of ▁Eric ▁the ▁Saint ▁and ▁the ▁wid ow ▁of ▁the ▁Norwegian ▁ear l ▁H ak on ▁the ▁Mad . ▁Maybe ▁a ▁daughter , ▁who ▁married ▁Sig try gg ▁Beng t sson ▁( Bo berg ). ▁ ▁With ▁either ▁of ▁his ▁w ives ▁Karl ▁Magn us son , ▁ ▁Bishop ▁of ▁Link ö ping ▁who ▁died ▁at ▁the ▁Battle ▁of ▁Li h ula ▁in ▁Est onia ▁in ▁ 1 2 2 0 . ▁Beng t ▁Magn us son ▁(† ▁ 4 ▁January ▁ 1 2 3 7 ), ▁succeeded ▁Karl ▁Magn us son ▁as ▁Bishop ▁of ▁Link ö ping ▁and ▁died ▁in ▁ 1 2 3 7 . ▁ ▁From ▁second ▁marriage : ▁Bir ger ▁Magn us son , ▁Bir ger ▁Jar l ▁who ▁played