[Glen]'s mother, [Amy], and brother, [Milton], sat out with him on the porch to have breakfast.
('Amy', 'Milton')
[Glen]'s mother, [Amy], and brother, [Milton], sat out with him on the porch to have breakfast.
[{('Amy', 'son', 'Milton'): [('Amy', 'son', 'Glen'), ('Glen', 'brother', 'Milton')]}]
['son', 'brother']