[Lucas]'s father, [Edwin], and grandfather, [Joseph], went hiking during the first weekend of spring. [Edwin] was thrilled his brother, [William], was able to make it to the party.
[Edwin] was thrilled his brother, [William], was able to make it to the party. [Lucas]'s father, [Edwin], and grandfather, [Joseph], went hiking during the first weekend of spring.
[{('William', 'father', 'Joseph'): [('William', 'brother', 'Edwin'), ('Edwin', 'father', 'Joseph')]}, {('Edwin', 'father', 'Joseph'): [('Edwin', 'son', 'Lucas'), ('Lucas', 'grandfather', 'Joseph')]}]