Eisn

128 Trianguli (also known as Ket-cheleb or Eisn) is a spectral class G9 star and star system located among the stars visible from Earth in the constellation of Triangulum. This area contains the home planets of the Romulan Star Empire, Romulus and Remus, as well as the moons Pirek and Elvreng. (TOS novels: "My Enemy, My Ally", "The Romulan Way")