Diane Sugden is a fictional character from the British soap opera Emmerdale, played by Elizabeth Estensen. Since her first appearance in 1999, she has been involved in several high-profile storylines, including her marriage to Jack Sugden and his subsequent death, a battle with colon cancer, the revelation that her ex-husband Rodney Blackstock fathered her sister Val Lambert's son, being held hostage in a siege at the Woolpack, sleeping with Val's husband Eric Pollard, being involved in a helicopter crash which kills Val, being stabbed by Chas Dingle, and a feud with Chrissie White. From Wikipedia
