Yes, her two sisters, the Gorgons,
Stheno and Euryale.
3 actually
Medusa and her sisters were Gorgons.
Medusa's Gorgon sisters were Sthenno and Euryale, the children of Phorcys and Ceto (or Ceto and Gorgo). Their sisters would be the Graiai: Deino, Enyo, Persis or Pemphredo. Ekhidna and perhaps Skylla, their brother is Landon, the Hesperian dragon. Another sister was Thoosa.
Sthenno and Euryale were sisters of Medusa.
The two mythical sisters of Medusa were Stheno and Euryale.
Medusa's sisters were immortal and could not die.
Heracles did not "defeat" any of Medusa's brothers and sisters, for they were immortal. Further, the mortal man who killed Medusa with aide of Athena was Perseus - not Heracles.
2 sisters but no brother
Stheno and Euryale were the immortal Gorgons and sisters to Medusa.
Kesha does not have have any sisters. She does have an older brother and a younger brother though
Medusa was called Medusa... She had two sisters; Euryale and Stheno. They were the three Gorgons. Euryale and Stheno were immortal. Medusa was not.
medusa and her gorgon sisters were nymphs posiedon was "dating" medusa athena caught them in her temple and turned medusa and her sisters into gorgons