Yamuna is described as the daughter of the sun god Surya (though some say that she was the daughter of Brahma) and his wife Saranyu (Sanjna in later literature), the goddess of the clouds, and the twin sister of Yama, the god of death. Her other brothers include Vaivasvata Manu, the first man and the twin Ashvins, divine doctors. She is described as Surya 's favourite child. As the daughter of Surya, she is also called as Suryatanaya, Suryaja and Ravinandini.
which river is also known as the sun's daughter
Yamuna