17 oct. 2021 · Elizabeth Potthast has two brothers who aren't on TV Instagram It's kind of hard to keep track of just how many Potthasts there actually are, but "90 Day Fiancé" star Elizabeth. 7 juin 2021 · Mon 7 June 2021 09:57 Celine Byford Elizabeth Potthast’s sisters often make appearances on 90 Day Fiance, and TLC fans are now wondering exactly who her siblings are She is often seen with her family, as the dating series – which follows relationships that began across the border – captures her love life.