[Frances] went to the beach with her son [Francisco]. [Francisco]'s brother, [Hugh], stayed home with his own son, [Johnson].
('Johnson', 'Frances')
[Frances] went to the beach with her son [Francisco]. [Francisco]'s brother, [Hugh], stayed home with his own son, [Johnson].
[{('Johnson', 'grandmother', 'Frances'): [('Johnson', 'father', 'Hugh'), ('Hugh', 'mother', 'Frances')]}, {('Hugh', 'mother', 'Frances'): [('Hugh', 'brother', 'Francisco'), ('Francisco', 'mother', 'Frances')]}]
['father', 'brother', 'mother']