Complex sentence: It appears that Morisi told the local priests her story at a time when she was seeking to obtain a dowry from the Church, and investigations on behalf of the Mortaras revealed that she was reputed to be a thief.
Split into simpler sentences: It appears that Morisi told the local priests her story at a time when she was seeking to obtain a dowry from the Church. Investigations on behalf of the Mortaras revealed that she was reputed to be a thief.