Amy Waters Davidson, his father, Scott Matthew Davidson, and his younger sister, Casey Davidson. When he was 7 years old, Scott, an N.Y.C. firefighter, died in the 9/11 terrorist attacks — an ...

Fans were also quick to point out the red “FDNY” shirt Davidson was wearing in honor of his late father, Scott Matthew Davidson, a firefighter who died during the Sept. 11 attack in 2001.