[William] played catch with his dad, [Jacob] [William]'s aunt, [Constance], bought him a smart watch.
('Jacob', 'Constance')
[William] played catch with his dad, [Jacob] [William]'s aunt, [Constance], bought him a smart watch.
[{('Jacob', 'sister', 'Constance'): [('Jacob', 'son', 'William'), ('William', 'aunt', 'Constance')]}]