Family
- son James John Ratzenberger: Born c. 1987; mother, Georgia Ratzenberger
- daughter Nina Katherine Ratzenberger: Born c. 1989; mother, Georgia Ratzenberger
- father Deszo Alexander Ratzenberg: German-American
- mother Bertha Ratzenberg: Polish-American
Companions
- Companion Lindsay McGrail: Co-founded (with Ratzenberger) the Nuts, Bolts and Thingamajigs Foundation - a non-profit organization that helps children develop manual skills
