Simplify the following text for a Grade 8 native English-speaking person.
Original: He was an atheist republican who considered NapolÃ on a hero ; his mother was an extreme Catholic Royalist who is believed to have taken as her lover General Victor Lahorie , who was executed in 1812 for plotting against NapolÃ on .
Simplified: He was an atheist republican and considered NapolÃ on a hero . His mother was an extreme Catholic Royalist .