_Henry V PIAST ____________+
                                                | (1248 - 1295)             
                       _Boleslaw III PIAST _____|
                      | (1291 - 1352)           |
                      |                         |_Elisabeth of PIAST _______+
                      |                           (1263 - 1304)             
 _Louis I PIAST ______|
| (1321 - 1398) m 1341|
|                     |                          _Wenceslaus II PŘEMYSLID _+
|                     |                         | (1271 - 1305)             
|                     |_Margaret of PŘEMYSLID _|
|                       (1295 - 1322)           |
|                                               |_Judith of HABSBURG _______+
|                                                 (1270 - 1297)             
|
|--Margaret of PIAST 
|  (1342 - 1386)
|                                                _Henry III PIAST __________+
|                                               | (1251 - 1309)             
|                      _Henry IV PIAST _________|
|                     | (1292 - 1341)           |
|                     |                         |_Matilda of WELF __________+
|                     |                           (1276 - 1318)             
|_Agnes of PIAST _____|
  (1321 - 1362) m 1341|
                      |                          _Herman ASCANIA ___________+
                      |                         | (1275 - 1307) m 1295      
                      |_Matlida of ASCANIA _____|
                        (.... - 1323)           |
                                                |_Anne of HABSBURG _________+
                                                  (1275 - 1327) m 1295