Thomas of Cana was a Syrian Christian merchant magnate who arrived to the Chera Dynasties capital city of Kodungallur between 345 A.D. and 811 A.D. Thoma brought with him Jewish-Christian families and clergymen from Persian Mesopotamia.

Kollam/Quilon Syrian copper plates, also known as Kollam Tarisappalli copper plates, or Kottayam inscription of Sthanu Ravi, or Tabula Quilonensis record a royal grant issued by the chieftain of Kollam to a Syrian Christian merchant magnate in Kerala. The royal charter is engraved in Old Malayalam or early Middle Tamil in Vattezhuthu on six copper plates. The document is the oldest available Chera Perumal inscription.