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Though The Volturi can hardly be considered the main characters within The Twilight Saga, they are essential to the overarching story. First introduced in New Moon, fans learned that they are a powerful coven of vampires, all with special talents, who serve as the governing force of the vampire world. At the epicenter of the Volturi are Aro, Marcus, and Caius.

Stephenie Meyer smiles at the camera while signing books for fans
Stephenie Meyer | Amanda Edwards/WireImage

Though they aren’t related by blood, Aro, Marcus, and Caius, much like Edward, Jasper, and Emmett, consider themselves to be brothers. However, many fans of Twilight may not be aware that Aro and Marcus are actually brothers-in-law. Marcus was once married to Aro’s blood sister, Didyme, and the two were very much in love. So why did she end up dead?

Who was Marcus Volturi’s wife in The ‘Twilight’ Saga?

On her website, Stephenie Meyer, who authored the Twilight books, revealed the truth about what happened to Marcus’ wife. She shared that when Aro was a vampire of only 15 years, he made the decision to change his sister, Didyme, who had reached adulthood in her human life.

“Aro always wanted power, and because he himself had a potent mind-reading gift, he hoped his biological sister would also be gifted in a way that would help him rise in the vampire world,” the Twilight author wrote. “It turned out that Didyme did have a gift; she carried with her an aura of happiness that affected everyone who came near her. Though it wasn’t exactly what he had hoped for, Aro pondered the best ways he could use this gift.”

Stephenie Meyer revealed why Aro killed his sister, Didyme

Though Aro Volturi was far from impressed with Didyme’s talent, Marcus (who had become Aro’s right-hand man because of his ability to read relationships) was enamored with her. The pair fell in love, got married, and were tremendously happy together. Because the pair were so obsessed with each other, they no longer shared Aro’s vision for ruling the vampire world.


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“After a few centuries, Didyme and Marcus discussed going their own way,” Meyer revealed to fans of Twilight. “Of course, Aro was well aware of their intentions. He was not happy about it, but he pretended to give his blessing. Then he waited for an opportunity to act, and when he knew he would never be found out, he murdered his sister.”

‘Twilight’ fans wonder why Marcus never left The Volturi

Though Marcus never knew who was truly responsible for his wife’s murder, her death impacted him greatly. He became extremely withdrawn and empty and that’s why fans of the Twilight movies have come to know him as a vampire with a perpetually bored expression. But why does Marcus even bother with the Volturi if he is such a shell of his former self? Meyer revealed that Aro kept Marcus loyal to him by using Chelsea, a vampire with the gift of influencing emotional ties.

Clearly, Aro was willing to do whatever it took to ensure that Marcus remained under his thumb. Killing his sister likely seems extreme to Twilight fans, but considering The Volturi killed children before, and were more than happy to kill Renesmee, they shouldn’t be too shocked.