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Beatrix von Brandenburg was born circa 1270 to Otto V. von Brandenburg (c1246-1298) and Judith von Henneberg (c1247-bef1295) and died before 9 May 1316 of unspecified causes. She married Bolko I of Swidnica (c1254-1301) 4 November 1284 JL in Berlin. She married Władysław of Bytom (c1280-1352) 21 September 1308 JL .
Children
| Name | Birth | Death | Joined with |
| Judith of Swidnica (c1287-1320) | |||
| Bolko of Swidnica (c1288-1300) | |||
| Beatrice of Swidnica (1290-1322) | |||
| Bernard of Swidnica (c1291-1326) | 1291 | 6 May 1326 | Kunigunde of Poland (c1298-1331) |
| Henry I of Swidnica (c1294-bef1346) | |||
| Elisabeth of Swidnica (1300-1300) | |||
| Margareta of Swidnica (1300-1300) | |||
| Bolko II of Swidnica (1300-1341) | |||
| Son of Swidnica (1301-1307) | |||
| Anna of Swidnica (1301-bef1334) | |||
| Name | Birth | Death | Joined with |
| Casimir of Bytom (c1312-1347) | |||
| Euphemia of Bytom (c1313-1378) | |||
Footnotes (including sources)
| ‡ General |