The mother of horses. Kashyapa and Krodhavasha had ten daughters – Mrigi, Mrigamanda, Hari, Bhadramata, Matangi, Sharduli, Shweta, Surabhi, Surasa, Kadru. Surabhi had two daughters – Rohini and Gandharvi. From Rohini were born cattle and from Gandharvi horses as per Ramayana Aranyakanda Sarga 14.