The matrilineal system of inheritance followed by Swaroopams was called ____.
The major swaroopams were Kola Swaroopam in Kolathunadu, Nediyiruppu Swaroopam in Ernad, Perumpadappu Swaroopam in Kochi and Thrippapur Swaroopam in Venadu. The Naduvazhi Swaroopams ruled independent of the other swaroopams. The matrilineal system of inheritance followed by Swaroopams was called Marumakkathayam.