Simplify the following text for a Grade 6 native English-speaking person.
Original: Mrs. BrontÃ `` died of cancer on 15 September 1821 , leaving five daughters and a son to be taken care of by her aunt Elizabeth Branwell .
Simplified: Maria Branwell BrontÃ `` died of cancer on 15 September 1821 . She left her five daughters and a son to be looked after by her sister Elizabeth Branwell .