[Hugh]'s father [James] and daughter [Marie] took a trip to Paris with [James]'s son, [Joshua].
('Joshua', 'Marie')
[Hugh]'s father [James] and daughter [Marie] took a trip to Paris with [James]'s son, [Joshua].
[{('Joshua', 'niece', 'Marie'): [('Joshua', 'brother', 'Hugh'), ('Hugh', 'daughter', 'Marie')]}, {('Joshua', 'brother', 'Hugh'): [('Joshua', 'father', 'James'), ('James', 'son', 'Hugh')]}]
['father', 'son', 'daughter']