Simplify the following text for a Grade 12 native English-speaking person.
Original: When the Romans settled there , they absorbed the cult of Quirinus into their early belief system â '' previous to direct Greek influence â '' and by the end of the first century BC Quirinus was considered to be the deified Romulus .
Simplified: When the Romans settled there , they absorbed the cult of Quirinus into their early belief system â '' previous to direct Greek influence â '' and he was said to be the deified Romulus .