Debbie and Darla Donaldson are the twin daughters of Dick and Donna Donaldson. Dick is Rebecca's cousin. They only appear in the season six episode, Trouble in Twin Town.
Relationships
Family
- Dick Donaldson (father)
- Donna Donaldson (mother)
- Kenneth Donaldson (granduncle)
- Nedra Donaldson (grandaunt)
- Rebecca Katsopolis (first cousin; once removed)
- Jesse Katsopolis (first cousin-in-law; once removed)
- Nicky Katsopolis (second cousin)
- Alex Katsopolis (second cousin)
- Pamela Katsopolis (adoptive second cousin)