Yvonne Hartley

 was a human who lived on Mondas, she lived with her dad and her brother and worked at the hydroponics centre, which contained the only plants living on Mondas. She had a problem with her chest, when Sisterman Constant came she recommended that she should be called up.

She was taken to be converted into a Cyberman, but the power failed during processing, she escapped the factory and returned home. She died with her family. (BFA:Spare Parts)