Simplify the following text for a Grade 5 native English-speaking person.
Original: The Prince Frederick , Duke of York and Albany ( Frederick Augustus ; 16 August 1763 â `` 5 January 1827 ) was a member of the Hanoverian and British Royal Family , the second eldest child , and second son , of King George III .
Simplified: Prince Frederick Augustus , Duke of York and Albany , was born on August 16 , 1763 . He was the second son of George III .