William Brewster Van Arsdale IV
Biographical Information
Aliases Sonny
Little Sonny
Gender Male
Born 1959
Affiliation Corleone

William "Sonny" Brewster Van Arsdale IV (later Corleone) was the only son and second child of William Van Arsdale III and Francesca Corleone. He was the younger brother of Carmela Van Arsdale. He was affectionately nicknamed "Sonny" after his maternal grandfather, Sonny Corleone.

After the death of his father, he lived with his mother, Francesca, and adopted the use of her maiden name, Corleone.

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