According to Radar Online, who first reported the news, he was visiting family in Texas, where he is believed to have shot himself on the front porch.
Sweeten played Geoffrey Baron on "Everybody Loves Raymond," which ran from 1996-2005 on CBS. He acted alongside his twin brother, Sullivan, and their real-life sister, Madylin, who played Ally Baron.
Ray Romano, Patricia Heaton, Brad Garrett, Doris Roberts, Peter Boyle and Monica Horan also starred in the comedy.
More to come...