1100, in palace records known as the Granthavaris, and in official treaties with the English and the Dutch. No records indicate the actual personal name of the ruler.[1] Punthura may be the place of their origin, or a battle-field, or a port of great fame. The title "Kunnalakkon" ("Lord of Hills and Waves") and its Sanskrit form "Shailabdhishvara" are mostly found in later literary works (such as Manipravalam and Sanskrit poems).[16]