Simplify the following text for a Grade 7 native English-speaking person.
Original: The Prince Edward , Earl of Wessex , ( Edward Antony Richard Louis ; born 10 March 1964 ) is the third son and fourth child of Queen Elizabeth II and Prince Philip , Duke of Edinburgh .
Simplified: Prince Edward , Earl of Wessex ( Edward Antony Richard Louis ; born 10 March 1964 ) .