This seems to be a tree. How does one make a "graph" out of it. I want to link a single node to multiple other nodes without that node being parent. For exampl

This seems to be a tree. How does one make a "graph" out of it. I want to link a single node to multiple other nodes without that node being parent. For example. Trump <-> Hillary Trump <-> Ivanka Hillary <-> Chelsea Ivanka <-> Chelsea Needless to say brilliant work