Customizing tree view of Customers Group

ERPNext Customize ERPNext
1

Hi there;
How to change the design of customers tree in HR to the ‘family tree’ design
something like that:

b1231cd1a9840dd5896006b9977f6028
b1231cd1a9840dd5896006b9977f6028764×381 3.37 KB

I mean the main structure of tree not the exact details…
from where to start to achieve that?
Any help appreciated
Thanks in advance