[Ernest] and his father, [Roy], were having a disagreement, so they asked [Fernando], [Ernest]'s son, to settle it for them.
('Fernando', 'Roy')
[Ernest] and his father, [Roy], were having a disagreement, so they asked [Fernando], [Ernest]'s son, to settle it for them.
[{('Fernando', 'grandfather', 'Roy'): [('Fernando', 'father', 'Ernest'), ('Ernest', 'father', 'Roy')]}]