[Wayne] went to the game with his son [Jacob] and his father [Clarence]
('Clarence', 'Jacob')
[Wayne] went to the game with his son [Jacob] and his father [Clarence]
[{('Clarence', 'grandson', 'Jacob'): [('Clarence', 'son', 'Wayne'), ('Wayne', 'son', 'Jacob')]}]
['son', 'son']