[Nicholas] went to visit his mother [Ashley] and took his son [Michael] with him.
('Michael', 'Ashley')
[Nicholas] went to visit his mother [Ashley] and took his son [Michael] with him.
[{('Michael', 'grandmother', 'Ashley'): [('Michael', 'father', 'Nicholas'), ('Nicholas', 'mother', 'Ashley')]}]
['father', 'mother']