The Curse of the Habsburg Jaw: The Genetic Legacy of Royal Inbreeding

The curse of the Habsburg jaw has fascinated historians and medical experts alike for centuries. This genetic mutation, caused by centuries of royal inbreeding, left many members of the Habsburg dynasty with a distinct and often disfigured lower jawline. Their reign saw them dominate and rule over many countries, most notably Spain, but their twisted practice of inbreeding also had a gruesome side effect.

The Habsburg jaw, characterized by a protruding lower jaw, a receding chin, and a pronounced underbite, was prevalent in many members of the dynasty. It may have been a source of fascination and intrigue for some, but for the Kings and Queens themselves, it was a curse that left them uncomfortable and self-conscious.

The Habsburgs were not the only royal family to engage in inbreeding. Many aristocratic families throughout history have practiced this twisted tradition in a bid to maintain their power and control over their vast Empires. But the Habsburgs took inbreeding to a whole new level, so much so that it became an inescapable part of their genetic legacy.

The Habsburgs’ obsession with inbreeding began as far back as the 16th century. Emperor Maximilian I married his wife, Maria of Burgundy, when she was only thirteen years old, and she was his fourth wife. It’s no surprise that their first child, a son named Philip the Handsome, was born with a severe case of the Habsburg jaw. Philip went on to marry Joanna the Mad, the daughter of Ferdinand and Isabella of Spain, a marriage that was doomed from the start.

The couple’s first child, Charles, was born with a jawline so severe that he earned the nickname “Charles the Bewitched.” Years later, Charles became Charles II of Spain, the last Spanish Habsburg King. He was known for his deformity, which only worsened as he aged, making him look like a monster.

Charles’ death at the age of thirty-eight marked the end of the Habsburg dynasty in Spain. He had no heirs, making way for the Bourbon dynasty to take over. But the legacy of the Habsburgs and their ugly jawlines lived on, serving as a reminder of the consequences of royal inbreeding.

The condition, officially referred to as mandibular dysgenesis or mandibular prognathism, is a genetic mutation that affects the development of the lower jaw. It’s estimated that it affects around 0.1% of the population, although in the Habsburgs, it seemed all too prevalent.

Some experts suggest that the Habsburgs’ genetic mutation may have been the result of a particular variant of the TBX22 gene. This gene is responsible for the development of the face and jaw, and it’s known to cause dental problems, including an overbite and underbite.

Whatever the cause, it’s clear that the genetic curse of the Habsburgs had a profound impact on many of its members. It’s difficult to imagine how these Kings and Queens, who were often referred to as “monsters,” coped with their deformities. They were left with a burden that seemed almost impossible to shake, no matter how hard they tried.

The legacy of the Habsburgs and their genetic mutation serves as a warning to those who seek to maintain their power through inbreeding. The consequences can be dire, with physical deformities being just one of the many side effects. As history shows us, the dangers of inbreeding go far beyond the mere genetic predisposition. It’s time to break the cycle and embrace a more diverse and healthy future, free from the curse of the Habsburgs.

image sources

  • Hapsburg-22e2aaf: https://images.immediate.co.uk/production/volatile/sites/7/2022/07/Hapsburg-22e2aaf.jpg?quality=90&resize=620,414
Scroll to Top