Aunt Lydia

Aunt Lydia is Greg's aunt who is only mentioned in Diary of a Wimpy Kid. Her last name is unknown and it is unknown if she is on Susan or Frank's side of the family. She is mentioned after Christmas where Susan makes Greg write thank-you notes for his relatives and he uses a template to thank her for the encyclopedia she got him.

Appearances

 * Diary of a Wimpy Kid (Mentioned only)
 * Diary of a Wimpy Kid (online) (Mentioned only)