Trivia

Justin and Keisha have five children. From oldest to youngest, Isabella (b. December 1994), twins Maya and Kaila (b. June 1997), Eva (b. March 1999) and Jackson (b. 2002).

Wife Keisha is a model agency booker who he met while he was modeling for Calvin Klein.

He has a twin brother named Jason. He and Jason have one older brother named John, Jr. (Chip) and two older sisters named Mia and Susan.

He was a 1989 graduate of the Springfield Clark County Joint Vocational School, and was in their General Merchandising program. He was recently inducted into their Alumni Hall of Fame which honors graduates who achieve success in their careers.

Was discovered by a modeling scout on the Paris subway.... subsequently represented Calvin Klein in fragrance campaign.

1 of 5 siblings, and has English, Irish, Scottish, and German ancestry.

Both Justin Chambers and Grey's Anatomy (2005) co-star Chris O'Donnell played the character "D'Artagnan" in different movies based on Alexandre Dumas's "The Three Musketeers". Chambers starred in Peter Hyams' 2001 film, D'Artagnan (2001) while O'Donnell co-starred with Charlie Sheen and Kiefer Sutherland in Stephen Herek's Les trois mousquetaires (1993).

He studied drama at HB Studio in Greenwich Village in New York City.

Is a third cousin, once removed, of actress and comedian Amy Schumer. Justin's maternal great-grandmother Sarah Esther Dement and Amy's maternal great-great-grandfather Edward E. Dement were siblings.