▁– ▁ 6 ▁August ▁ 1 2 3 5 ) ▁was ▁the ▁el dest ▁daughter ▁of ▁Land gra ve ▁Hermann ▁I ▁of ▁Th uring ia ▁and ▁his ▁first ▁wife , ▁Soph ia ▁of ▁S omm ers chen burg , ▁a ▁daughter ▁of ▁Fred rick ▁II ▁of ▁S omm ers chen burg . ▁ ▁Before ▁ 1 1 9 7 , ▁she ▁married ▁Mar gra ve ▁Diet rich ▁I ▁of ▁Me issen . ▁ ▁After ▁her ▁husband ' s ▁death ▁in ▁ 1 2 2 1 , ▁she ▁had ▁a ▁dispute ▁with ▁her ▁brother , ▁Land gra ve ▁Louis ▁IV ▁of ▁Th uring ia , ▁who ▁was ▁very ▁eager ▁to ▁act ▁as ▁reg ent ▁and ▁guard ian ▁for ▁her ▁three - year - old ▁son ▁Land gra ve ▁Henry ▁III . ▁ ▁In ▁ 1 2 2 3 , ▁she ▁married ▁her ▁second ▁husband , ▁Count ▁Po ppo ▁VII ▁of ▁Hen ne berg . ▁ ▁J ut ta ▁of ▁Th uring ia ▁died ▁on ▁ 6 ▁August ▁ 1 2 3 5 ▁in ▁Sch le us ingen . ▁ ▁Mar ri ages ▁and ▁issue ▁ ▁Children ▁from ▁her ▁marriage ▁to ▁Diet rich ▁I ▁of ▁Me issen : ▁ ▁Hed wig ▁( d . ▁ 1 2 4 9 ) ▁married ▁Count ▁Diet rich ▁V ▁of ▁Cle ves ▁( 1 1 8 5 – 1 2 6 0 ) ▁ ▁Otto ▁( d ied ▁before ▁ 1 2 1 5 ) ▁ ▁Soph ia ▁( d . ▁ 1 2 8 0 ) ▁married ▁Count