[James]'s daughter [David] and son [Francisco] were helping him make clam chowder in the kitchen while [David]'s son, [Brandon], played in the living room.
('Brandon', 'Francisco')
[James]'s daughter [David] and son [Francisco] were helping him make clam chowder in the kitchen while [David]'s son, [Brandon], played in the living room.
[{('Brandon', 'uncle', 'Francisco'): [('Brandon', 'mother', 'David'), ('David', 'brother', 'Francisco')]}, {('David', 'brother', 'Francisco'): [('David', 'father', 'James'), ('James', 'son', 'Francisco')]}]
['mother', 'father', 'son']