Ramayana
सूर्यदत्तवरस्वर्णः सुमेरुर्नाम पर्वतः । यत्र राज्यं प्रशास्त्यस्य केसरी नाम वै पिता ॥ 7-35-19 ॥
There is a mountain named Sumeru, whose gold was granted as a boon by the Sun; there one named Kesari, his father, rules the kingdom.
english translation