caption father predecessor successor succession house mother death_date death_place consort birth_date spouse issue image article_title name reign
portrait by jan matejko . bolesław iii wrymouth mieszko iii the old leszek leszek i the white leszek i the white high duke of poland duke of masovia piast dynasty salomea of berg 5 may 1194 -lrb- aged 56 -rrb- kraków yes c. 1138 helen of znojmo eudoxia of kiev maria adelaide leszek i the white konrad i of masovia , grand princess of kiev casimir bolesław odon kazimierz ii sprawiedliwy 2.jpg casimir ii the just
 casimir ii the just 1177 -- 1191 1191 -- 1194 1186 -- 1194
casimir ii the just

casimir ii the just -lrb- -rrb- -lrb- 1138 -- 5 may 1194 -rrb- was a lesser polish duke at wiślica during 1166 -- 1173 , and at sandomierz after 1173 .
he became ruler over the polish seniorate province at kraków and thereby high duke of poland -lrb- see seniorate province -rrb- in 1177 ; a position he held until his death , interrupted once by his elder brother and predecessor mieszko iii the old .
in 1186 casimir also inherited the duchy of masovia from his nephew leszek , becoming the progenitor of the masovian branch of the royal piast dynasty , great-grandfather of the later polish king władysław i the elbow-high .
the honorific title `` the just '' was n't contemporary ; it only appeared in the 16th century .
