Mary-Beth Williams
Mary-Beth Williams is the new born baby of Louise and Marty that appears a few times in the game. It is thought that after both her parents die her aunt Mary-Jo takes care of her.
Trivia
- Mary-Beth Williams is the only minor to be featured in the Grand Theft Auto series.
- Mary-Beth Williams is seen briefly in a blue Hawaiian blanket, similar to that of Tommy Vercetti's street shirt in Grand Theft Auto: Vice City.