is lava ▁( d . ▁ca . ▁ 1 1 5 5 ), ▁daughter ▁of ▁Grand ▁Prince ▁V se vol od ▁II ▁Ol gov ich ▁of ▁K iev . ▁They ▁had ▁two ▁children : ▁Jar os ław ▁( b . ▁a ft . ▁ 1 1 4 3 ▁– ▁d . ▁ 2 2 ▁March ▁ 1 2 0 1 ) ▁Ol ga ▁( b . ▁ca . ▁ 1 1 5 5 ▁– ▁d . ▁ 2 7 ▁June ▁ 1 1 7 5 / 1 1 8 0 ) ▁ ▁By ▁ 1 1 5 7 , ▁B oles ław ▁married ▁his ▁second ▁wife ▁Christ ina ▁( d . ▁ 2 1 ▁February ▁ 1 2 0 4 / 1 2 0 8 ), ▁a ▁German ; ▁according ▁to ▁the ▁historian ▁Kaz im ierz ▁J asi ński , ▁she ▁was ▁probably ▁a ▁member ▁of ▁the ▁com ital ▁house ▁of ▁Ever stein , ▁Hom burg , ▁or ▁P appen heim . ▁They ▁had ▁seven ▁children : ▁B oles law ▁( b . ▁ 1 1 5 7 / 6 3 ▁– ▁d . ▁ 1 8 ▁July ▁ 1 1 7 5 / 1 1 8 1 ) ▁Ad ela ida ▁Z b ys lava ▁( b . ▁a ft . ▁ 1 1 6 5 ▁– ▁d . ▁ 2 9 ▁March ▁a ft . ▁ 1 2 1 3 ), ▁married ▁in ▁ 1 1 7 7 / 8 2 ▁to ▁D ě pol t ▁III , ▁a ▁P ř