Simplify the following text for a Grade 6 native English-speaking person.
Original: Coppins is a country house north of the village of Iver in Buckinghamshire , England , formerly a home of members of the British Royal Family , including Princess Victoria , Prince George ( Duke of Kent ) , Princess Marina and Prince Edward ( Duke of Kent ) .
Simplified: She left the house to her nephew , Prince George , the Duke of Kent , and his wife Princess Marina .