Divodasa
Divodāsa ("heaven's servant") is a king in the Rigveda (celebrated for his liberality and protected by Indra and the Ashvins in the Rigveda, RV 1.112.14; 1.116.18), the son of Vadhryashva RV 6.61.5. Further, the Mandala 9 of Rigveda mentions Divodasa thus: "[Indra] Smote swiftly forts, and Sambara, then Yadu and that Turvaga, for pious Divodasa's sake." RV 9.61.2. He is the father of the famous king Sudas (RV 7.18.28) (of the Battle of the Ten Kings). Pijavana is the other name of Divodasa according to Rigveda. His son, Pratardana, is mentioned in the Kaushitaki Upanishad. He was  invited in the Ashwamedha Sacrifice performed by King Dasharatha of Ayodhya. He was the younger brother of Queen Sumitra and was a Brother-in-law of Dasharatha. He was also the son of King Bhimaratha and was a great grandson of Lord Dhanvantari. It is also the name of a king of Kashi surnamed Dhanvantari as per the hymn (RV 10.179.2), the founder of the Indian school of medicine called Ayurveda.