She and Booth became a couple and have a daughter, Christine, and are later married. She is not usually (barring a few episodes, such as the "Doctor in the Photo") the one to get the most emotionally attached to the cases and/or the people involved. She also thinks herself to be extremely rational. Brennan's parents left her and her older brother, known as Russ, when she was fifteen. Her birth name was Joy Keenan, while her brother's birth name was Kyle Keenan their names were changed by their parents in an effort to protect them from enemies from their past. Although she is an expert in her field, Brennan is socially awkward and has limited knowledge about pop culture. Brennan and Booth work together on Federal Bureau of Investigation (FBI) cases concerning recently found human remains. She is nicknamed "Bones" by FBI Special Agent Seeley Booth. Temperance "Bones" Brennan (seasons 1–12) works as a forensic anthropologist at the Jeffersonian Institute in Washington, D.C. Temperance "Bones" Brennan Portrayed by Emily Deschanelĭr. The following characters have been featured in the opening credits of the program.