Simplify the following text for a Grade 6 native English-speaking person.
Original: Figures thought to be portraits of Burdett and Ferrers feature in the painting , Burdett taking notes and Ferrers seated with his son next to the orrery .
Simplified: Figures are considered to be portraits of Burdett and Ferrers . In the picture , Burdett is taking notes and Ferrers is seated with his son next to the orrery .