[Robert] 'daughter, [Elsie], just made it into grad school. [Marie] took her daughter [Elsie] to the store to find her some new boots for the cold winter weather. [Marie] went to the basketball game with her brother [Pedro], who brought along his son [Jeffrey].
('Robert', 'Jeffrey')
[Robert] 'daughter, [Elsie], just made it into grad school. [Marie] took her daughter [Elsie] to the store to find her some new boots for the cold winter weather. [Marie] went to the basketball game with her brother [Pedro], who brought along his son [Jeffrey].
[{('Robert', 'nephew', 'Jeffrey'): [('Robert', 'brother', 'Pedro'), ('Pedro', 'son', 'Jeffrey')]}, {('Robert', 'brother', 'Pedro'): [('Robert', 'daughter', 'Elsie'), ('Elsie', 'uncle', 'Pedro')]}, {('Elsie', 'uncle', 'Pedro'): [('Elsie', 'mother', 'Marie'), ('Marie', 'brother', 'Pedro')]}]
['daughter', 'mother', 'brother', 'son']