90 Day Fiancé's Elizabeth Castravet shared an emotional update after the death of her father, Chuck Potthast. Taking to Instagram on Saturday, November 29, Elizabeth, 35, posted a video of her and husband, Andrei Castravet, posing for photos in a field with their two children and added a caption that detailed her grief. "I've never had to navigate something quite as difficult as grief before. Andrei and I are doing everything in our power to make sure our kids remain happy and on a normal routine.