Complex sentence: The language initially developed among the people of mixed Portuguese and Sri Lankan descent (then called "mestiços" or "casados") They gave rise to the present-day Portuguese Burgher community, in the Eastern province (Batticaloa and Trincomalee).
Split into simpler sentences: The language initially developed among the people of mixed Portuguese and Sri Lankan descent (then called "mestiços" or "casados"). Today the language is spoken by their descendants, the Portuguese Burgher community, in the Eastern province (Batticaloa and Trincomalee).