A well-known family member of a 90 Day Fiancé couple has died. Chuck Potthast, father of Libby Castravet, has passed on, according to a recent post from the TLC star on social media. The cast member took to social media after the latest episode of 90 Day Fiancé: Happily Ever After? tell-all special, and shared the news with fans and fellow 90 Day participants.

Libby shared the news on Instagram , while Parade reported he passed after a battle with glioblastoma, a rare form of cancer. Chuck was last seen on 90 Day Fiancé: Happily Ever After? when he went with the couple to Moldova to check out an investment property . It may be his last appearance on 90 Day Fiancé , as she announced he died a couple of weeks ago:

Two weeks ago, tragedy struck our family and it has left us

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