His youngest son, Charles Gill, is the author of the novel The Boozer Challenge.

Entity and relation annotations:
id: 0
type: entity
value: text: Charles Gill
labels: <Person>
id: 1
type: entity
value: text: The Boozer Challenge
labels: <Work_of_art>
type: relation
to_id: 1
labels: Person:creates:Work_of_art
from_id: 0