Heinrich Graetz,
History of the Jews, Vol. 4 (of 6…
“ The youthful community was strengthened in numbers and in standing by fresh arrivals. An English fleet, which, under the Earl of Essex, surprised the fortress of Cadiz, and inflicted serious injuries upon the Spaniards (in the summer of 1596) , conveyed several Marranos to Holland, amongst them a man of666 great originality, not without importance for posterity. Alonso de Herrera was descended from Jewish and ancient Spanish families. His ancestor was the great Gonsalvo de Cordova, the conqueror of Naples for Spain. ”
