Anna Piast of Oświęcim was born circa 1340 to Jan I of Oświęcim (c1309-1372) and died 1378 of unspecified causes. She married Bolko III of Opole (c1337-1382) 1355 JL . Alfred the Great (849-899)/s, Charlemagne (747-814)/s, Rollo of Normandy (860-932)/s.
|Offspring of Anna of Oświęcim and Bolko III of Opole (c1337-1382)|
|Jan Kropidło (c1362-1421)|
|Bolko IV of Opole (c1365-1437)||1365||6 May 1437||Margareta von Görz (c1375-1437)|
|Henry II of Niemodin (1374-1394)|
|Bernard of Niemodin (c1376-1455)|
|Anna of Opole (bef1378-1455)|