[Theresa] went shopping with her son. His name is [Travis]. [Theresa]'s son, [Tony], recently started a pawn shop.
('Travis', 'Tony')
[Theresa] went shopping with her son. His name is [Travis]. [Theresa]'s son, [Tony], recently started a pawn shop.
[{('Travis', 'brother', 'Tony'): [('Travis', 'mother', 'Theresa'), ('Theresa', 'son', 'Tony')]}]
['mother', 'son']