 Leno's older brother Patrick Leno, a Vietnam veteran and graduate of Yale Law School, died in 2002 at the age of 62 as a result of complications from cancer.He is known for his prominent jaw, which has been described as mandibular prognathism.In the book "Leading with My Chin", he says he is aware of surgery that could reset his mandible, but does not wish to endure a prolonged healing period with his jaws wired shut.