Simplify the following text for a Grade 8 native English-speaking person.
Original: Elizabeth is convinced that Darcy and Bingley 's sister have conspired to separate Jane and Bingley .
Simplified: Soon after , Bingley and Darcy comes to the place , and Bingley and Darcy each propose to their lovers , even though Lady Catherine tries to stop Mr. Darcy and Elizabeth 's relationship .