Francisco López de Villalobos explained

Francisco Lopez de Villalobos (1473–1549) was a Jewish converso, physician and author in the 15th century. Villalobos is credited with one of the earliest descriptions of syphilis. He has been considered part of the School of Salamanca.^[1]

Francisco descended from a long line of physicians; his father, grandfather and several ancestors before him serving Spanish nobility, including King Fernando, the Duke of Alba, the Queen of Aragon and Emperor Charles V.^{[2] [3] [4]}

Notes and References

1. Book: The London Medical Press & Circular, Volumen 1. 1871. 100.
2. KLEISS . EKKEHARD . 1975 . Book Reviews . Journal of the History of Medicine and Allied Sciences . XXX . 3 . 290 . 10.1093/jhmas/XXX.3.290.
3. Book: Baron, Salo . A Social and religious history of the Jews . Columbia Univ. Pr . New York . 1973 . 978-0231088527.
4. [Francisco López de Villalobos (c.1473-c.1549), court doctor]. Jon. Arrizabalaga. 23 May 2018. Dynamis (Granada, Spain). 22. 29–58. 12675067.