An Advanced List will need to be created, to do this, navigate to:
  1. Lists > Manage Lists
  2. Click the Manage basic and advanced lists block under List Actions
  3. Click the List Templates tab
  4. Change the Category to Constituent Information
  5. Next to Parents of Students with Enrollments (Current Year) click View/Copy
  6. Select the Objects Tab
  7. Expand Constituent Information> Select User Role
  8. A pop box asks you to select a Parent
  9. In the dropdown box select: User Base[1].User Id=User Role.User Id
  10. Click Select
  11. Click Filters
  12. in Global Filters click the + to add a filter
  13. In the dropdown, select User Role.Role is any of Grandparent of Student
  14. Name the list, and Save the list