Attended the Professional Children's School in New York city.
Jennifer's mother, Jenise Blanc, owns and operates her business Canyon Car Service in Topanga Canyon and Jennifer is involved as well. This is their second venture together as mother and daughter. Their first business was Blanc's clothing store.
Her stepfather is musician Randy Chance Graham, who was part of The Lovin' Spoonful and The Box Tops, and now has a music school in Topanga Canyon.
Started a production company in 2006 with fellow actresses Alyssa Lobit, Dana Daurey, and Jill Sayre.
Has appeared in three films with boyfriend Michael Biehn. The Ride (1997), Dead Men Can't Dance (1997), The Divide (2011).
Friend of Danielle Harris, Kym Jackson, Brian Austin Green, Megan Fox, and Laurie Holden.
Longtime friend of singer/actress Abigail Hopkins, daughter of Anthony Hopkins and Petronella Barker.
Had her beloved dog Peanut for 16 years.
Legally changed her name to Jennifer Blanc-Biehn.
Is friends with Armand Assante since they filmed The Third Wish (2005).
Her grandfather Brigadier General David Blank was in the Air Force in World War II.
Suffers from Obsessive Compulsive Disorder (OCD).
Shooting a film for the 48 hour film festival for Jonathan Becker, along with Dana Daurey, Nicholle Tom and others. [June 2007]
starring with Bryan Callen in The John Patrick Shanley Festival at the 68 Cent Theater in Hollywood in his short play Down and Out, playing Love and directed by actor Michael Rooker. 
Received, with husband Michael Biehn, the Vienna film ball award for their company's, Blanc Biehn Productions, The Victim (2011) in 2014.
Won a People's Choice award for Dark Angel (2000) in 2001.
In a relationship with Michael Biehn since 2009. They have a son, Dashiell King Biehn (b.March 21, 2015).