Simplify the following text for a Grade 7 native English-speaking person.
Original: In a 2000 interview with The Guardian , Rowling also established that the character of Wart in T. H. White 's novel The Sword in the Stone is `` Harry 's spiritual ancestor . ''
Simplified: In a 2000 interview with The Guardian , Rowling also said that the character of Wart in T.H. White 's novel The Sword In the Stone is `` Harry 's spiritual ancestor . ''