[3] Mar Sabor and Mar Afroth were two holy men who came to Kollam to preach the Gospel with a group of Syriac Christian immigrants led by a merchant named Marwan Sapir Iso.

The Venad ruler Ayyan Adigal Thiruvadigal gave in 849 AD, Marwan Sapir Iso and his community who settled down at Kollam in the present day Thevally area a set of copper plates with privileges and a village inhabited by lower castes, as it was the custom in those days to entertain foreign merchants.

Marwan Sapir Iso and his community who came to Kollam settled in the village given by the Rajah, started the Kollavarsham or the Nasrani Era in 825 AD.

When the Portuguese came to Kerala, they found that this community using Syriac liturgy and therefore they called them Syriac Christians to distinguish them from Latin Christians converted by the Portuguese who were using Latin liturgy.

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