[Frances] loves when her daughter, [Lena], comes to visit. Sometimes [Lena] brings along her son, [Charles]. [James] and his wife [Frances] got married in Spain.
('James', 'Charles')
[James] and his wife [Frances] got married in Spain. [Frances] loves when her daughter, [Lena], comes to visit. Sometimes [Lena] brings along her son, [Charles].
[{('James', 'grandson', 'Charles'): [('James', 'wife', 'Frances'), ('Frances', 'grandson', 'Charles')]}, {('Frances', 'grandson', 'Charles'): [('Frances', 'daughter', 'Lena'), ('Lena', 'son', 'Charles')]}]
['wife', 'daughter', 'son']