[Hugh] and his sister [Lynn] went to dinner with their dad [James], while their other sibling, [Wesley], stayed home.
('James', 'Wesley')
[Hugh] and his sister [Lynn] went to dinner with their dad [James], while their other sibling, [Wesley], stayed home.
[{('James', 'son', 'Wesley'): [('James', 'son', 'Hugh'), ('Hugh', 'brother', 'Wesley')]}, {('Hugh', 'brother', 'Wesley'): [('Hugh', 'sister', 'Lynn'), ('Lynn', 'brother', 'Wesley')]}]
['son', 'sister', 'brother']