[Nancy] could not wait till her son [Robert] joined the Army. [Nancy] was always proud of her father [Clarence] who was a war veteran and wanted [Robert] to follow in his footsteps.
('Clarence', 'Robert')
[Nancy] could not wait till her son [Robert] joined the Army. [Nancy] was always proud of her father [Clarence] who was a war veteran and wanted [Robert] to follow in his footsteps.
[{('Clarence', 'grandson', 'Robert'): [('Clarence', 'daughter', 'Nancy'), ('Nancy', 'son', 'Robert')]}]
['daughter', 'son']