The late Mike Ilitch usually commanded the headlines, but his widow Marian Ilitch is often given a full share of the credit for building the family businesses. Marian Ilitch, 84, now tops Forbes' list of America's richest self-made women with a net worth of $5.1 billion as of Wednesday. She is the co-founder and owner of the Little Caesars' pizza empire, owner of the Detroit Red Wings and MotorCity Casino Hotel.