No, not in any of the books.
Harry Potter's aunt is called Petunia Dursley and his cousin is called Dudley Dursley. Petunia is his mother's sister.Vernon Dursley (Harry's uncle) also has a sister who Harry is forced to call aunt, her name is Marge Dursley.
No. Harry has a cousin, Dudly Dursley.
He lived with his aunt Petunia Dursley, his uncle Vernon Dursley, and his cousin Dudley Dursley.
You mean Dursley? Petunia Dursley, often called Tuney by Lily, her sister
Harry Potter's aunt and uncle are Petunia and Vernon Dursley. Petunia is the sister of Lily, Harry's mother. The Dursley's raised Harry after the death of his parents. They also have a son called Dudley Weasley who is a month older than Harry.
Dudley Dursley
Harry didn't have a brother. He grew up with his cousin, Dudley Dursley.
Smeltings is Dudley Dursley's (Harry's cousin) school.
Harry Potter's cousin is called Dudley Dursley.
Dudley Dursley.
Vernon Dursley, Petunia Dursley (Lily Potter's sister), and Dudley Dursley.
Harry Potter lives with the Dursley family; they are his aunt and uncle and cousin Dudley.