De Mars was born on the Scott Air Force Base and raised in the small community of Alton, Illinois, where she began her judo career at the age of 12 at a local YMCA.
De Mars was born on the Scott Air Force Base. She began her judo career at the age of 12 at a local YMCA. De Mars was raised in the small community of Alton, Illinois. She began her judo career at the age of 12 at a local YMCA.