In the Goblet of fire, Dudley was forced into a diet after his schools' nurse informed his parents that they didn't have uniforms big enough for him. To please him, Mrs. Dursley forced the diet on everyone in the house.
They went into hiding until the war was over and were then allowed to live their life. Neither of them stayed in touch with Harry, although their son Dudley was on Christmas card terms with him.
He moved into hiding with his parents so as to avoid any more trouble that may fall upon their family. But before they parted, Dudley surprisingly shook Harry's hand as a friendly gesture.
The Dursleys went into the magical version of a witness protection program. Before they left, Dudley somewhat tried to make things right between himself and Harry.
Vernon Dursley, Petunia Dursley (Lily Potter's sister), and Dudley Dursley.
Dudley Dursley, Vernon Dursley and Petunia Dursley (Petunia Evans).
Fred and George dropped candy in front of Dudley so that Dudley would eat it.
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Marjorie 'Marge' Dursley is his fathers sister. His other aunt, Lily (Evans) Potter is his mothers sister and died when he was a baby. Dudley never met her.
Vernon Dursley, Petunia Dursley (Lily Potter's sister), and Dudley Dursley.
Dudley Dursley.
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.
Dudley Dursley, Vernon Dursley and Petunia Dursley (Petunia Evans).
Fred and George dropped candy in front of Dudley so that Dudley would eat it.
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
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Harry lived with Vernon, Petunia, and Dudley Dursley.
Rubeus Hagrid gives Dudley a pig tail.
Marjorie 'Marge' Dursley is his fathers sister. His other aunt, Lily (Evans) Potter is his mothers sister and died when he was a baby. Dudley never met her.
Vernon, Petunia and Dudley