Grandpa Van Houten's second wife

Grandpa Van Houten's Second Wife is a woman that Grandpa Van Houten married after divorcing Grandma Van Houten. They travel the country in an RV looking for adventure. They won a chili cookoff in Beaumont, Texas. She was mentioned in Raging Abe Simpson and His Grumbling Grandson in "The Curse of the Flying Hellfish".