Mary had two daughters [Anna] and [Wilhelmina] that were very close in age. She did n't have her son [Pete] until the girls were almost old enough to move out. [Pete] and his brother [Leonard] wanted to backpack across Europe together once they graduated college.
('Wilhelmina', 'Leonard')
Mary had two daughters [Anna] and [Wilhelmina] that were very close in age. She did n't have her son [Pete] until the girls were almost old enough to move out. [Pete] and his brother [Leonard] wanted to backpack across Europe together once they graduated college.
[{('Wilhelmina', 'brother', 'Leonard'): [('Wilhelmina', 'brother', 'Pete'), ('Pete', 'brother', 'Leonard')]}, {('Wilhelmina', 'brother', 'Pete'): [('Wilhelmina', 'sister', 'Anna'), ('Anna', 'brother', 'Pete')]}]
['sister', 'brother', 'brother']