Simplify the following text for a Grade 5 native English-speaking person.
Original: Edward of Woodstock , Prince of Wales , Duke of Cornwall , Prince of Aquitaine , KG ( 15 June 1330 â `` 8 June 1376 ) was the eldest son of King Edward III of England and Philippa of Hainault , and father to King Richard II of England .
Simplified: Edward , the Black Prince ( 15 June 1330 â `` 8 June 1376 ) was the oldest son of King Edward III of England .