Sophia and Jeffrey Mousling are Angelina, Henry, and Polly's grandparents and Maurice and Louis's parents. They make regular appearances in Angelina Ballerina, and are sometimes mentioned in Angelina Ballerina: The Next Steps. Voiced by Keith Wickham and Adrienne Posta.
- Grandpa's voice actor, Keith Wickham, also voiced Maurice Mousling, William Longtail and Doctor Tuttle.
- Both Wickham and Uncle Louis' voice actor, Rob Rackstraw, currently voice characters in Thomas And Friends.