Яуза
Moreover, according to a legend first appearing in the "Kievan Synopsis" (1674), Moscow ("Moskva") was founded by King Mosokh son of Japheth (i.e. Meshech), and was named for him and his wife, Kva. In this legend, they are also said to have had a son, Ya, and daughter, Vuza, who gave their names to the nearby Yauza River.