[Alfred]'s brother, [Peter], recently made it into town. [Erik] is [Michelle]'s older brother. He has never liked any of her boyfriends. [Peter] 'son, [Erik], was late meeting his grandfather, [Rudolph].
[Alfred]'s brother, [Peter], recently made it into town. [Peter] 'son, [Erik], was late meeting his grandfather, [Rudolph].
[{('Alfred', 'father', 'Rudolph'): [('Alfred', 'brother', 'Peter'), ('Peter', 'father', 'Rudolph')]}, {('Peter', 'father', 'Rudolph'): [('Peter', 'son', 'Erik'), ('Erik', 'grandfather', 'Rudolph')]}]