Simplify the following text for a Grade 10 native English-speaking person.
Original: Born at 7 Melville Road , Cambridge , John Maynard Keynes was the son of John Neville Keynes , an economics lecturer at Cambridge University , and Florence Ada Brown , a successful author and a social reformer .
Simplified: John Maynard Keynes was born in Cambridge to a middle-class family . His father John Neville Keynes was an economist and a lecturer in moral sciences at the University of Cambridge and his mother Florence Ada Keynes a local social reformer .