6: Maria Of Portugal
Maria I of Portugal has the distinction of being the first queen regnant to rule her country, but she is also distinguished by her nickname, Maria the Mad.
Despite extreme piety, Maria married her uncle Pedro (when crowned, he was renamed Peter III) in 1778. Peter III was Maria’s father’s younger brother and 43 years old to her 26. The family web became more tangled when Maria and Peter III’s son and heir, Joseph, married his aunt (Maria’s sister) Benedita. Joseph was merely 15 while Benedita was 30. Therefore, Peter III’s daughter-in-law, sister-in-law, and niece were the same person.
As is often the case with incestuous relationships, the couple could not have children, and Benedita miscarried twice. Joseph died of smallpox two years after his father, which hastened the collapse of Maria’s mental state. Maria’s second son ruled in her place, but the family was forced out of Portugal to Brazil by Napoleon.
The inter-family love didn’t stop there. Generations later, Maria II was betrothed to her father’s brother to solve an abdication crisis.
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