The sons of Maharaja Ghrtaprstha were named Ama, Madhuruha, Meghaprstha, Sudhama, Bhrajistha, Lohitarna and Vanaspati. In their island there are seven mountains, which indicate the boundaries of the seven tracts of land, and there are also seven rivers. The mountains are named Sukla, Vardhamana, Bhojana, Upabarhina, Nanda, Nandana and Sarvatobhadra. The rivers are named Abhaya, Amrtaugha, Aryaka, Tirthavati, Rupavati, Pavitravati and Sukla.