Tweeting from his @VanCityReynolds handle, the actor posted a throwback photo of himself being cradled as a baby by his dad. He kept the text succinct, most notably calling for people to donate to Michael J Fox's charity, which helps raise awareness about the disease. 

Speaking of his formidable father in a recent interview, the 39-year-old said he's "the toughest man alive: a former cop, former boxer and full-time landmine. He worked tirelessly to provide for his family and in return, you were expected to do what he said, often before he said it. In a word, he was scary. Not because he was sadistic or physically abusive. He was scary because he was one of those people with an energetic weight to him. Shifting his weight ever so slightly from one foot to another could transform an otherwise delightful 6th birthday party into what felt like an Irish funeral."

According to reports, Ryan and Blake named their new daughter, James, after her grandfather. The fact she got to meet him is a blessing and will hopefully be of some comfort for Reynolds during this difficult time.