Gertrude

This article is about Heinz's cousin. You may be looking for Heinz's grandmother or the Flynn-Fletchers' goose.

Gertrude
Gender:	Female
Age:	Unknown
Personal Information
Parents:	Gertrude's father and mother
Grandparents:	José Doofenshmirtz (possibly)
Children:	Unnamed baby
Cousins:	Heinz Doofenshmirtz Roger Doofenshmirtz
Uncles:	Mr. Doofenshmirtz
Aunts:	Heinz Doofenshmirtz's mother
Grandmother:	Gertrude Zupermühltienatör (possibly)
Other relatives:	Vanessa Doofenshmirtz (first cousin once removed)
Production Information
Debut Appearance:	"Attack of the 50 Foot Sister"

Gertrude is Heinz Doofenshmirtz's cousin. She is either about to have a baby and/or already has one ("Attack of the 50 Foot Sister").

Background Information

• She has the same name as Gertrude Zupermühltienatör and the goose from "Excaliferb".
  • "Gertrude" is also Candace's middle name ("Tour de Ferb", "Fireside Girl Jamboree", "Hip Hip Parade").

Appearances

• Attack of the 50 Foot Sister ^{(Mentioned only)}