| Father | Ludwig 1st von Brieg-Luben Duke of Silesia & Prince Brieg-Luben (1313 - 1398) |
| Mother | Agnieszka von Glogau and Sagan Princess of Great Poland (1321 - 1362) |
| Sibling | Margaret (Margaretha/Margarethe) von Brieg (1342 - 1386) |
| Sibling | Jadwiga Princess Of Brieg (1349 - 1385) |
| Sibling | Waclaw Brieg Prince (1346 - 1369) |
| Sibling | Katarina Brieg Princess (1346 - ) |
| Sibling | Katarzyna Princess of Brieg (1351 - ) |
| Sibling | Henry VIII Piast Duke of Brzeg (1343 - 1399) |
| Sibling | Heinrich 7th Count of Luben Brieg Schlesien (1343 - 1399) |