Joe Duncan is one of John and Marie's children. His siblings are Leana, Annie, Ursula, Paul, Fred, Charles, Nancy, Ricardo, Edna, Seth, and Ethan. He is the twin brother of Fred.
Twin Boy 1

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.