[Evangeline] went to lunch with her grandfather [James], her brother [Michael], and [Michael]'s father [Hugh].
('Hugh', 'James')
[Evangeline] went to lunch with her grandfather [James], her brother [Michael], and [Michael]'s father [Hugh].
[{('Hugh', 'father', 'James'): [('Hugh', 'daughter', 'Evangeline'), ('Evangeline', 'grandfather', 'James')]}, {('Hugh', 'daughter', 'Evangeline'): [('Hugh', 'son', 'Michael'), ('Michael', 'sister', 'Evangeline')]}]
['son', 'sister', 'grandfather']