[Robert] and his father [Harold] went jogging by the lake. [Samuel] went on a camping trip with his father [Louis] and grandfather [Harold] last weekend. [Louis] is happily married to his wife. Her name is [Beverly].
('Beverly', 'Robert')
[Louis] is happily married to his wife. Her name is [Beverly]. [Samuel] went on a camping trip with his father [Louis] and grandfather [Harold] last weekend. [Robert] and his father [Harold] went jogging by the lake.
[{('Beverly', 'brother', 'Robert'): [('Beverly', 'father', 'Harold'), ('Harold', 'son', 'Robert')]}, {('Beverly', 'father', 'Harold'): [('Beverly', 'son', 'Samuel'), ('Samuel', 'grandfather', 'Harold')]}, {('Beverly', 'son', 'Samuel'): [('Beverly', 'husband', 'Louis'), ('Louis', 'son', 'Samuel')]}]
['husband', 'son', 'grandfather', 'son']