WWE Superstar’s uncle, legendary wrestler Rey Mysterio Sr., passes away at age 66.
Rey Misterio Sr., the grandfather of Dominik Mysterio and the uncle of WWE Hall of Famer Rey Mysterio, was a professional wrestler for more than 30 years. Rey Mysterio Mexican wrestling legend Rey Mysterio Sr. has passed away at the age of 66. He was the uncle of WWE star Rey Mysterio Jr. This news