Mark Harmon, the beloved star of the hit TV show NCIS, not only has a successful career in the film and TV industry but also comes from a famous family. One member of his family that fans might recognize is his niece, Tracy Nelson.

Tracy is the daughter of Kristin Nelson, making her the grandniece of the iconic Hollywood actor, Mark Harmon. The talented and beautiful Tracy has also made a name for herself in the entertainment world, proving that talent indeed runs in the family.