Ashwini Nakshatra is named after its ruling deities Ashwini Kumaras. They are the sons of Surya and his wife Samjna in the form of a horse.
Whatever is there in Mahabharata you can find them elsewhere also, but if there is something that is not there in Mahabharata, you will never be able to find it elsewhere
Durga Saptashati - Chapter 7
ekam jagraaha kesheshu greevaayaamatha chaaparam . paadenaakramya chaivaanyamurasaanyamapothayat . tairmuktaani cha shastraani mahaastraani tathaasu....
Click here to know more..When God Listens
Nava Durga Stava
sarvottungaam sarvaviprapravandyaam shaivaam menaakanyakaangeem shivaangeem. kailaasasthaam dhyaanasaadhyaam paraambaam shubhraam deveem shailaputreem....
Click here to know more..