Published in Aristocracy and nobility in the Ancient and Medieval World

Keywords: Keywords: Court Jews, Don David Negro, King D. Fernando, King D. João I.

Contribution to the study of Portuguese Judaic courtiers, in particular of Don David Negro. King Fernando’s councilor and royal servant, and the later rabbi in Castilla, during the reign of Juan I. Don David took part in the political rebellion of 1383 – 1385 which resulted in the rise of the Master of Avis to the throne of Portugal – D. João I.