The Ashvins or Ashwini Kumaras (Sanskrit: अश्विन, aśvin-, dual aśvinau), in Hindu mythology, are two Vedic gods, divine twin horsemen in the Rigveda, sons of Saranyu, a goddess of the clouds and wife of Surya in his form as Vivasvant. They symbolise the shining of sunrise and sunset, appearing in the sky before the dawn in a golden chariot, bringing treasures to men and averting misfortune and sickness. They are the doctors of gods and are devas of Ayurvedic medicine. They are represented as humans with the heads of horses. In the epic Mahabharata, King Pandu's wife Madri is granted a son by each Ashvin and bears the twins Nakula and Sahadeva who, along with the sons of Kunti, are known as the Pandavas. Their marriage is an example of polyandry in the Rigvedic period.