Alexander of Masovia
| Alexander of Masovia | |
|---|---|
Alexander's tomb effigy in St. Stephen's Cathedral, Vienna | |
| Prince-Bishop of Trento | |
| Reign | 1424–1444 |
| Predecessor | Henry IV Flechtel |
| Successor | Benedict of Trento |
| Born | 1400 |
| Died | 2 June 1444 (aged 43–44) Vienna |
| Burial | |
| House | Piast |
| Father | Siemowit IV, Duke of Masovia |
| Mother | Alexandra of Lithuania |
| Religion | Catholic |
Alexander of Masovia (Polish: Aleksander mazowiecki; 1400 - 2 June 1444) was a Polish prince member of the House of Piast from the Masovian branch. He was Bishop of Trento since 1425, titular Patriarch of Aquileia since 1439, Cardinal nominated by Antipope Felix V as titular of the diocese of St. Lawrence at Damascus (San Lorenzo in Damaso) since 1440, titular Bishop of Chur since 1442 and rector at St. Stephen's Cathedral, Vienna since 1442, a diplomat.
He was the second son of Siemowit IV, Duke of Masovia and Alexandra of Lithuania, daughter of Algirdas.