[Lena] went shopping with her son [Charles] and her brother [Hugh]. [Frances] and her son, [Hugh], decorated mugs at the craft fair together.
('Frances', 'Charles')
[Frances] and her son, [Hugh], decorated mugs at the craft fair together. [Lena] went shopping with her son [Charles] and her brother [Hugh].
[{('Frances', 'grandson', 'Charles'): [('Frances', 'daughter', 'Lena'), ('Lena', 'son', 'Charles')]}, {('Frances', 'daughter', 'Lena'): [('Frances', 'son', 'Hugh'), ('Hugh', 'sister', 'Lena')]}]
['son', 'sister', 'son']