Mark Harmon
Leroy Jethro Gibbs
Gibbs
Parents: Jackson Gibbs (mother's name not mentioned)
Spouses:
Shannon Gibbs*
Diane^
Unknown^
Stephanie Flynn^
Children: Kelly Gibbs*
Mark Harmon
Date of Birth: September 2, 1951
Parents: Tom Harmon & Elyse Knox
Sibling: 2 sisters,
Kelly Harmon & Kristin Harmon
Spouse: Pam Dawber
Children: Sean Harmon, Ty Christian Harmon


*deceased
^divorced