Simplify the following text for a Grade 6 native English-speaking person.
Original: In 1783 , according to family tradition , Jane and Cassandra were sent to Oxford to be educated by Mrs. Ann Cawley and they moved with her to Southampton later in the year .
Simplified: According to family tradition , Jane and Cassandra were sent to Oxford to be educated by Mrs. Ann Crawley in 1783 . They moved with her to Southampton later in the year .