Bonnie has two older sisters who frequently pick on her, saying that Lonnie got the beauty and Connie got the brains, and Bonnie got the rest. Connie and Lonnie's only appearance in the entire series is in the third-season episode, "Bonding", when it is strongly implied that Bonnie's sour disposition stems from her sisters always being so mean to her. The mother of the Rockwaller sisters makes her only appearance in the first-season episode, "Downhill", and is shown to be a source of consternation and embarrassment for her youngest daughter. Bonnie is humiliated when her mother calls her "Pumpkin" and "Bon-Bon", but Ron is highly amused by this, and teasingly calls Bonnie "Bon-Bon" whenever he gets the chance.