Carlos II AKA Charles II of Spain AKA Carlos the Bewitched was the last of the Spanish Habsburgs and marked the end of 200 years of Habsburg rule in Spain. Carlos was born with a litany of health problems and remained sickly throughout his ineffectual reign due to generations of inbreeding. Sources: Gaudi, Robert. The War of Jenkins’ Ear. the Forgotten War for North and South America and the World That Made It: 1665-1742. Pegasus Books, 2021.

Langdon Davies, John. Carlos the Bewitched: The Last Spanish Hapsburg ; 1661-1700. Jonathan Cape, 1963.

Rady, Martyn. The Habsburgs: To Rule the World. Basic Books, 2022.