| Father | Friedrich 1st von Brandenburg Elector of Brandenburg (1371 - 1440) |
| Mother | Elisabeth von Bayern Electress of Brandenburg (1383 - 1442) |
| Sibling | Albrecht Achilles 3rd von Brandenburg Elector of Brandenburg (1414 - 1486) |
| Sibling | Friedrich 2nd von Brandenburg (1413 - ) |
| Sibling | Sofie von Brandenberg Margravine of Brandenberg (1416 - 1416) |
| Sibling | Magdelene von Brandenburg (1412 - 1454) |
| Sibling | Margarete von Brandenburg (1410 - ) |
| Sibling | Dorothea von Brandenburg (1420 - 1491) |
| Sibling | Johann "the Alchemist" von Hohenzollern Margrave of Brandenberg-Kulmbach (1406 - 1464) |
| Sibling | Friedrich "the Fat" von Brandenburg Margrave of Brandenberg (1424 - 1463) |
| Sibling | Caecilia von Brandenburg (1405 - ) |
| Sibling | Elisabeth von Brandenburg Prince of Brandenburg (1403 - 1449) |