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Sororicide (from Latin soror "sister" + -cide, from caedere "to cut, to kill") is the act of killing one's own sister.

There are a number of examples of sororicide and fratricide in adolescents, even pre-adolescents, where sibling rivalry and resulting physical aggression can get out of hand and lead to the death of one of them, particularly when a potent weapon is available or one is significantly older than the other and misjudges his/her own strength.

Known or suspected examples[edit]

In fiction[edit]


  • The story of the Horatii involves a sororicide: after a set of Roman triplets, the Horatii, defeat a set of Alba Longan triplets, the Curiatii, in single combat to keep Rome from Alba Longan rule, the Horatii's sister was killed by the surviving Horatius for mourning the death of one of the Curiatii, to whom she was engaged. The Roman courts condemned the Horatius to death for the murder despite his service, and it was only his father's appeal to the people that saved him.



  • In the horror manga Death Panda by Waita Uziga, Suzuran, a former shrine maiden turned demonness, rapes and kills her sister Yuuki with the assistance of the Death Panda in order to fill her own desire for lust, human flesh, and violence.
  • In the manga series Reiko the Zombie Shop, the main antagonist Riruka attempts to kill her sister Reiko out of jealousy over Reiko gaining the responsibility of inheriting their family's title of the "Zombie Shop."



  • In Child Ballad #10, "The Twa Sisters", or "The Dreadful Wind and Rain" the older sister murders the younger sister over the love of a man, and the younger sister's bones are found by a wandering musician who makes an instrument (either a harp or a fiddle, depending on the version) out of them and strings it with her hair. The instrument then tells the story of how she died, usually resulting in a gruesome death for the older sister.


  • In the God of War video game series, Kratos accidentally murders Athena, where he learns she's Kratos's half-sister because it was revealed that Zeus is his birth father.
  • In No More Heroes, Travis Touchdown kills his half-sister Jeane to avenge the death of his family, an event Jeane herself was responsible for.
  • In Phoenix Wright: Ace Attorney - Trials and Tribulations, Dahlia Hawthorne kills her stepsister Valerie Hawthorne in the fourth case of the game when Valerie threatened to expose the truth behind a fake kidnapping that Dahlia and her boyfriend plotted five years ago in order to steal a rare diamond. Also, the second case of the series's first game sees Maya Fey, assistant of the titular protagonist, accused of sororicide.
  • In one of the endings of the video game, Trapt, Allura kills her half-sister, Rachel, for the final sacrifice to revive Malphas after becoming possessed by the aforementioned demon. Also, Finnegan kills his older sister Ada in an act of betrayal after being corrupted by the desire to obtain Allura's power for himself.
  • In the Tekken series, Nina and Anna Williams are assassins and sisters who have an immensely bitter, sororicidal sibling rivalry.
  • In Fable and Fable: The Lost Chapters, after defeating Jack of Blades, the Hero is faced with the option of killing his sister Theresa and receiving the Sword of Aeons, or tossing the sword into the vortex and ridding the world of its evil forever.
  • In Dragon Age II depending on player's decisions, Fenris can kill his sister Varania for her treason by helping his master Danarius to capture him for becoming his pupil.
  • In Fatal Frame II: Crimson Butterfly, the village forces twin sisters to partake in a ritual in which one sister strangles the other. In the canonical 'bad ending', Mio Amakura does indeed strangle her twin sister Mayu to death. (The other documented instance of sororicide is when Azami Kiryu kills her sister Akane.)

Soap Operas[edit]

  • Lucy Beale was killed by her younger brother Bobby Beale ~ EastEnders BBC Soap Opera (2014)

Fan Fiction[edit]

  • In Ash vs Freddy vs Jason series, a comedy Horror fanfiction created by Barrel2s1cool, she mention "Sororicide had taken to next level." Flashbacks of Debbie kills her sister when she realized her ex-husband, James left her. Ash Williams telling Barrel when he killed Cheryl, Kyo trying to kill Barrel but Kelly and Pablo saved her, Pablo discovered that strongest sibling kill his/her younger sister who is believed to be weak. Jack was trying to kill his sister Ruby, in one chapter, a girl killed Aki with an axe.

See also[edit]


  1. ^ Marilyn Migiel, Juliana Schiesari, Refiguring Woman: Perspectives on Gender and the Italian Renaissance, Cornell University Press, 1991, p.247