Alva Gettlin

 is the daughter of Leonore Gettlin. The Black Widow seems to be connected to her somehow.

Story
On 2013 March 31, CellaLogic received an enterocyte cell sample of Alva, which was kept in Lab 03 of their office. It was revealed in life, Alva was mentally unstable and a danger to herself and people around her. It's speculated that she was abused by her depressed mother Leonore after her father died. Leonore was admitted to a mental institution where she became fatally ill and died when Alva was in her late teens. On 1911 July 5, Alva was found to have been stabbed 6 times and her throat slit. Police ruled her death as a suicide after observing no signs of struggling.