Jacqueline "Jackie" Vance (née Thomas) was the wife of NCIS Director, Leon Vance, and the mother of Kayla Vance and Jared Vance.
In addition, she was also the daughter of Lamar Addison and Miller Thomas as well as the sister of Michael Thomas.
Biography
Pre-Series
Born in an unnamed State in the U.S., Jackie was the daughter of Lamar Addison and Millie Thomas with Jackie also having a brother named Michael.
At some point, Lamar left his first family and moved to New York where he began a chain of car dealerships that eventually became successful. He met an unnamed woman and married her, the marriage producing three children who are Jackie and Michael's younger half-siblings.
NCIS Season 6
NCIS Season 7
NCIS Season 9
NCIS Season 10
In season 10 Jackie was shot during the assassination of Eli David. She was rushed to the hospital, but died after 2 hours of surgery.