Full Name: Sean Patrick Astin

Nicknames: None

Birthdate: February 25th, 1971

Birthplace: Santa Monica, California, USA

Height: 5’5”

Weight: Unknown

Parents: John Astin and Patty Duke

Siblings: One brother, MacKenzie, who is two years younger than Sean and is also an actor (thanks to OrliGirli for this fact), and three half brothers: David, Allen and Tom

Pets: Unknown

Hair color: Brown

Eye color: Brown

Marital status: Married Christine in July of 1992. They have 2 kids: Alexandra Louise (born November 27, 1996) and Elizabeth Louise (born August 6, 2002)

this is from http://www.arwen-undomiel.com/cast_bios/Sean_A_bio.html