Simplify the following text for a Grade 12 native English-speaking person.
Original: Saint Bertold has traditionally been associated with the founding of the order , but few clear records of early Carmelite history have survived and this is likely to be a later extrapolation by hagiographers .
Simplified: Saint Bertold has traditionally been associated with the founding of the order , but few clear records of early Carmelite history have survived and this is likely to be a later invention .