[Flavia]'s father, [Herman] always seemed to prefer his other son, [Danny].
('Flavia', 'Danny')
[Flavia]'s father, [Herman] always seemed to prefer his other son, [Danny].
[{('Flavia', 'brother', 'Danny'): [('Flavia', 'father', 'Herman'), ('Herman', 'son', 'Danny')]}]