[Clarence] went to the baseball game with his wife, [Ashley]. [Ashley]'s grandson [Douglas] went with them.
('Clarence', 'Douglas')
[Clarence] went to the baseball game with his wife, [Ashley]. [Ashley]'s grandson [Douglas] went with them.
[{('Clarence', 'grandson', 'Douglas'): [('Clarence', 'wife', 'Ashley'), ('Ashley', 'grandson', 'Douglas')]}]
['wife', 'grandson']