10 Facts You Didn't Know About Donald Duck
7. Donald Has A Sister
We all know about Donald Duck's nephews Huey, Dewey and Louie but have you ever stopped to think just who their parents are?
The three mischievous ducklings are the sons of Della (Dumbella) Duck, the twin sister of Donald. Dumbella herself is an astronaut and she leaves them with Donald when she goes into space.
We never find out who the boy's father is, according to the comics they are living with Donald whilst their Dad is in hospital. They helped put him there by placing firecrackers under his chair.