Medusa part of their religion. Medusa was beheaded by the hero Perseus, who thereafter used her head, which retained its ability to turn onlookers to stone, as a weapon until he gave it to the goddess Athena to place on her shield. In classical antiquity the image of the head of Medusa appeared in the evil-averting device known as the "Gorgoneion". The three Gorgon sisters—Medusa, Stheno, and Euryale—were all children of the ancient marine deities Phorcys (or "Phorkys") and his sister Ceto (or "Keto"), chthonic monsters from an archaic world. Their genealogy is shared with other sisters, the Graeae, as in
Seven Sisters Oak Seven Sisters Oak The Seven Sisters Oak is the largest certified southern live oak tree. Located in Mandeville, Louisiana, it is estimated to be up to 1,500 years old with a trunk that measures in circumference, with a height of 68 feet and crown spread of 139 feet. This oak is also the National Champion on the National Register of Big Trees and the Champion Oak of Louisiana, according to the Louisiana Forestry Association. The owner who first named the tree was Carole Hendry Doby, who was one of seven sisters. There are seven sets of branches leading away from