Williamson gang

Williamson Gang is a gang led by Bill Williamson. After he quit Dutch's Gang Bill established his own gang and took over Fort Mercer in Rio Bravo. In 1911 John Marston visited Bill and his Gang but one of the Williamson shot John and the MacFarlanes later saved his life. Bill and his gang later raids Ridgeway Farm terrorizing everyone that lives there, most of the people are left dead but there are a few surivors. John and Leigh Johnson help the reamaning survivors at Ridgeway Farm, they attempt to kill Bill by Mercer Station but he escapes and John and Marshal Johnson capture Bill's second in command Norman Deek. After Deek's capture a member of the Williamson Gang arrives at the sheriff's office in Armadillo explaining that Bonnie Macfarlane has been captured and will be hanged if they don't return Norman Deek at Tumbleweed. Marston gets ambushed by the Williamson Gang when he returns Norman at Tumbleweed but Norman dies in the gunfire. Marston wipes out the remaining Williamson Gang members at Tumbleweed and rescues Bonnie. Marston later recruits seven people to help him assault Fort Mercer and the Williamson Gang. The Williamson Gang has been eliminated including the reinforcements that attempted to retake the fort. Bill escaped to Mexico with the help of Javier Escuella.