Daisy Duck Once Upon a Christmas", "Mickey's Twice Upon a Christmas", and "". According to the unofficial timeline of Don Rosa, Daisy was born in 1920. According to Rosa, Daisy is the sister of Donald's brother-in-law – Daisy's brother had married Donald's twin sister, Della Duck, and together, the two became the parents of Huey, Dewey, and Louie Duck. This is his explanation of why the triplets tend to call her "Aunt Daisy" while no such courtesy is given to Gladstone Gander for example. Don Rosa has said that he considers Donald and Daisy to be nonrelated and that Duck simply is
Duck family (Disney) a mystery. The character does not appear in any stories, but he did partially appear in the 1993 Duck family tree drawn by Don Rosa. In this illustration, Rosa partially concealed the character's face with a bird. While his first name was also hidden, his last name is revealed to be Duck. His face was fully shown in the unofficial Duck family tree by Mark Worden and first published in several fanzines, which labeled him ? Duck and showed him with a flattop haircut and human-like ears. In Huey, Dewey, and Louie's first appearance in a 1937 "Donald Duck" Sunday