| Place name (English): | Dueñas |
| Place name (local language): | |
| Place name (alt. local language): | |
| Place name (older spelling): | |
| Place name (other common spelling/language): | |
| Place type: | municipality |
| Is in the area of: | Province of Palencia |
| Note: |
| 1 | Isabel de Aragón (2 October 1470-23 August 1498), parents: Fernando II “el Católico” and Isabel I |
| 2 | María de Castilla y León (1428-after 1429), parents: Juan II and María de Aragón |