Dot Gurney is the daughter of Lou Gurney, Homer Simpson's cousin-in-law, and Marge's maternal cousin. When Selma got married to Sideshow Bob, she gave them a video camera as a wedding present (which was used to film Selma's video honeymoon) This was linked to a video cassette that Homer had given them as a wedding present.
- Though not confirmed, "Dot" is most likely short for "Dorothy."
- Nothing is ever mentioned of Dot's mother (Lou's wife).
- Despite being mentioned numerous times, she's never been seen in person.