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Queen Victoria's curse: New DNA evidence solves medical and murder mysteries

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American


Queen Victoria and many of her descendants carried what was once called "Royal disease"—now known as hemophilia, a blood clotting disorder. But it has remained unknown precisely what variety of the disease afflicted the family and how many deceased relatives may have had the inherited disease.

Research published online today in Science sheds some light on the mystery thanks to advances in genetic research and the 2007 discovery of some long-lost Russian remains. The family apparently suffered from a very rare form of hemophilia, indeed.


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Hemophilia is caused by a mutation—likely spontaneous in Victoria's case—on the X chromosome and can be passed along the maternal line of families. It is also recessive and is more commonly exhibited in males, causing it to go undetected in many carriers, who may pass it on to future generations. Those who manifest the disease often have excessive bleeding, as the blood does not properly coagulate, which can lead to pain and even death.

The authors of the new study, led by Evgeny Rogaev of the University of Massachusetts Medical School and Lomonosov Moscow State University in Russia, sampled bones found in the Ural Mountains in 2007 now known to belong to the son of Russian Empress Alexandra (Victoria's granddaughter), Crown Prince Alexei, and one of his sisters.

Using sequencing and amplification techniques, the investigators were able to obtain gene sequences from the 91-year-old material. They found a mutation that would have led to an "abnormal splicing site" on the factor IX gene, a tale-tell sign of hemophilia B, which is far more rare than hemophilia A and now appears to be extinct in the European royal lines. Hemophilia A is a clotting factor VIII deficiency (factor VIII assists with blood coagulation), while hemophilia B is a clotting factor IX deficiency (factor IX is an enzyme in the coagulation system).

It wasn't, however, hemophilia B that killed the Russian prince and his sister—likely Anastasia—rumored to have escaped the Bolshevik revolutionaries who assassinated the other Romanovs in 1918. After the remains of two individuals were discovered in the Ural Mountains, Rogaev analyzed fragments of bone and traced the genetic lineage back to the same immediate Romanov family. His findings (published in February in the Proceedings of the National Academy of Sciences) confirmed that the remains indeed were those of the last two Romanov children and that, like their family members who had been discovered in 1991, they had been murdered. Had the family survived, however, they may have continued passing on the disease to future generations, the new pathogenic analysis shows.

Image of Queen Victoria from a post card around the time of her golden jubilee courtesy of Wikimedia Commons