William John Kimmel

About

Rocketed to fame after his birth as the son of talk show host and comedian Jimmy Kimmel and television writer Molly McNearney. 

Before Fame

Before his parents began dating in 2009, his father had dated comedian Sarah Silverman for many years. 

Trivia

He was born with a rare congenital heart defect, tetralogy of Fallot, and had to undergo surgery at only three days old. His father would relive the crisis in an opening monologue on Jimmy Kimmel Live! 

Family Life

He has two older half-siblings, Katherine and Kevin, and one older sister, Jane. 

Associated With

Dr. Mehmet Oz came onto Jimmy Kimmel Live! after his birth to explain his heart condition to his father's viewers.