Simon was married twice and had five children. In 2017 he filed for bankruptcy, saying he was unable to work due to what he believed were symptoms of CTE which, according to documents, he said were “attributable to significant brain trauma during his hockey career.” A doctor confirmed Simon suffered from anxiety and depression, which are symptoms of CTE.
https://www.theguardian.com/sport/2024/mar/20/former-nhl-player-chris-simon-dies-at-52-as-family-blames-cte