Four of Michael J. Fox’s kids have announced the terrible news.

Beyond his tremendous career in the entertainment business, Michael J. Fox is the epitome of a family man when no one is looking.

He and Tracy Pollan, his loving wife, have four children who are now adults, so the pair has had their hands full.

Michael was already a father of one when he was diagnosed with Parkinson’s disease at the age of 29, but they went on to have three more children, and their love for their father is inspiring. At the age of 29, Michael received a Parkinson’s disease diagnosis.