she'd definitely know emmy! she's known james since she was 12-ish and her big brother eli brought him home to louisiana for to spend a holiday with her family. em views "jimmy" as another big brother and would definitely view your girl as a little sister!
em had graduated by the time your girl got to cal, but she lived/worked in sf with her bf ~theta around that time (2013ish?)! she probably would have dragged your girl to their apartment for dinner once a month, or to do laundry or anything