He will always be remembered as the twin brother in the famous US sitcom. His family is shocked and have requested privacy from everyone.
His sister Madylin Sweeten said: "We are devastated to report that our beloved son, brother and friend , Sawyer Sweeten, took his own life.
He was weeks away from his 20th birthday. At this sensitive time our family requests privacy and we beg of you to reach out to the ones you love."
Sawyer was one-and-a-half year old when he began acting in the sitcom next to his real-life twin brother, Sullivan. Unconfirmed reports suggest that the child actor shot himself, when he was visiting his family in Texas.