Petunia Dursley is the sister of Lily Potter, Harry's mother. This makes her Harry's aunt. Vernon is her husband Harry's uncle, and Dudley is their son, his first cousin.
It's freak; that's what Dursleys call him.
The Dursley family. Mrs Dursley was the sister of Harry Potter's mother.
HARRY POTTER YOU DUMMY!!!!!
In Harry Potter and the Prisoner of Azkaban the Durlsey's told Aunt Marge that he went to St. Brutus' Secure Centre for Incurably Criminal Boys.
Harry Potter 1, Harry Potter 2, Harry Potter 3, Harry Potter 4, Harry Potter 5, Harry Potter 6, Harry Potter 7, Harry Potter 8.