Olivia Newton-John’s grandfather was Max Botn. Perhaps it should be Olivia Neutron-John. 😁👨🎓
https://en.m.wikipedia.org/wiki/Olivia_Newton-John - which will link you to her granddad: https://en.m.wikipedia.org/wiki/Max_Born
https://en.m.wikipedia.org/wiki/Olivia_Newton-John - which will link you to her granddad: https://en.m.wikipedia.org/wiki/Max_Born