[Ashley] took her daughter, [Lillian], out for pizza. [Jerry], [Lillian]'s son, came too.
('Ashley', 'Jerry')
[Ashley] took her daughter, [Lillian], out for pizza. [Jerry], [Lillian]'s son, came too.
[{('Ashley', 'grandson', 'Jerry'): [('Ashley', 'daughter', 'Lillian'), ('Lillian', 'son', 'Jerry')]}]
['daughter', 'son']