Editing a parent object from one of many child objects

1. How do you parent multiple objects in Blender?
2. Can a child object be a parent of another object in Salesforce?

How do you parent multiple objects in Blender?

To parent objects, select at least two objects (select the Child Objects first, and select the Parent Object last), and press Ctrl-P . The Set Parent To menu will pop up allowing you to select from one of several possible different parenting types.

Can a child object be a parent of another object in Salesforce?

Aside from Account Hierarchy, this is currently not a functionality provided by Salesforce CRM. This can be accomplish this by creating a Custom Object that would do a double look up on itself.