Person[]
- Robbie Douglas (the 2nd son of Steve)
Spouse[]
- Katie Douglas (wife)
Children[]
- The Douglas Triplets
- Robbie Jr. (son)
- Steve II (son)
- Charley (son)
Robbie's Family[]
- Steve Douglas (father)
- Barbara Harper (stepmother)
- Mike Douglas (older brother)
- Sally Douglas (sister-in-law)
- Chip Douglas (younger brother)
- Polly Douglas (sister-in-law)
- Ernie Douglas (adoptive younger brother)
- Dodie Harper (younger stepsister)
- Bub O'Casey† (late maternal grandfather)
- Charley O'Casey (maternal great-uncle)