Carley Grey (single)

Carly is the 19 year old, Niece of Gwen and Rhys Williams, older cousin to Amwen Williams.
she works with Gwen at Tourchwood, along side Jack harkness, who she has gotten very close to and they have worked together a lot, Carley moved in with her Aunt and uncle, when she was 18 as she was and still is a rebel.