Stout elected to fill Richardson's House seat
Candidate had admitted affair with mother-in-law 10 years ago
Stout, a 29-year-old banker from Dallas, garnered 935 votes, or 59.5 percent of the votes cast Tuesday, to win the District 19 seat in the state House of Representatives.
With 99 percent of the precincts reporting, Ronny Sibley received 560 votes, while Jody Cash got 77 votes.
Stout had earlier confirmed that he also had an extra-marital affair, with his first wife's mother, 10 years ago. He and his first wife divorced, and Stout remarried in 2005.