[Milton] took his wife [Ashley] and grandson [Clarence] to Disneyland.
('Ashley', 'Milton')
[Milton] took his wife [Ashley] and grandson [Clarence] to Disneyland.
[{('Ashley', 'grandson', 'Milton'): [('Ashley', 'husband', 'Clarence'), ('Clarence', 'grandson', 'Milton')]}]
['husband', 'grandson']