The Fundación Casa Medina Sidonia’s General Archive in Sanlúcar de Barrameda holds eight centuries of records on trade, shipping, family estates and Doñana. The “Red Duchess,” María de los Dolores de Medinaceli y Villahermosa, brought the archive from Madrid in the late 20th century and died in 2008. Columbus’s first voyage left Palos de la Frontera with the Pinzón brothers, who came from Moguer in Huelva, not Cádiz; the expedition returned to Sanlúcar in 1493. The Canaries and Azores were common stops, not compulsory. The video says the duchess wrote about 300 works arguing Columbus was not the first European to reach the Americas and credits the Pinzones with knowledge of transatlantic currents. The archive does not itself establish pre-Columbian contact; that is the video’s argument.
Video uses Medina Sidonia archives to argue for pre-Columbian contact

Site mentioned
📍 Medina Sidonia Archives (Castle of Sanlúcar)
Key facts
- The Fundación Casa Medina Sidonia’s General Archive is in Sanlúcar de Barrameda and preserves eight centuries of records concerning trade, shipping, family estates and Doñana.
- The “Red Duchess,” María de los Dolores de Medinaceli y Villahermosa, brought the archive from Madrid to Sanlúcar in the late 20th century. She died in 2008, not 2005 or 2006.
- Columbus’s first expedition departed Palos de la Frontera on 6 August 1492, not Sanlúcar. The Pinzón brothers came from Moguer in Huelva province, not Cádiz.
- The Canary Islands and the Azores were common stops on Atlantic routes, but they were not compulsory for every voyage.
- The video says the duchess wrote about 300 works arguing Columbus was not the first European to reach the Americas and credits the Pinzón brothers with knowledge of transatlantic currents. The archive holdings alone do not establish pre-Columbian contact; that is the video’s interpretation.
Sources
House of Medina Sidoniaen.wikipedia.org
The Dukedom of Medina Sidonia is the oldest hereditary dukedom in the kingdom of Spain. House of Medina Sedonia. Parent family, House of Guzmán · House of ...
Los esclavos del duque de Medina Sidonia en la primera ...journals.openedition.org
by A Moreno Ollero · 2017 · Cited by 19 — En el año de 1503, un buen número de los esclavos que el duque tenía en Sanlúcar, exactamente dieciocho, estuvieron trabajando en la construcción de la…
Sanlúcar de Barrameda, the world of the Duchess of ...en.andalucia.org
She was the 21st Duchess of Medina Sidonia, one of the best historic archives in the world. It covered eight centuries of history with over six ...
Dukes of Medina Sidonia: Virtual kings of Andalusiadukesandprinces.org
In the 1470s, the 2nd Duke rebuilt the Castle of Santiago in Sanlúcar de Barrameda (on top of an older fortress built by the founder of the ...
Duke of Medina Sidonialibrary.eshikshya.org
Dukes of Medina Sidonia, 1445–present ; 1445, 1468, Juan Alonso de Guzmán, 1st Duke of Medina Sidonia ; 1468, 1492, Enrique Pérez de Guzmán y Fonseca, 2nd Duke of ...
Casa Alba Melanie Hispanic Community Resource Center ...projects.propublica.org
Summary charts: organization finances over time · Revenue. $1.03M (2025) · Expenses. $789k (2025) · Total Assets. $3.06M (2025) · Total Liabilities. $97.6k (2025).
El Archivo de la Casa de Alba - Dialnetdialnet.unirioja.es
by JMC Ortega · 2015 · Cited by 13 — El Archivo de la Casa de Alba. Juan Carlos Galende Díaz. ISBN 978-84-608-3478-6, págs. 79-100 Idioma: español Enlaces Texto completo (pdf)
Archivofundacioncasadealba.com
El Archivo de la Casa de Alba se formó a partir de documentos de más de 50 casas nobiliarias, sufriendo reducciones a 4.500 legajos por incendios hasta finales
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