Sen. Dianne Feinstein
Sen. Dianne Feinstein listens during a Senate Judiciary Committee hearing on July 20.
  • Sen. Dianne Feinstein's daughter has power of attorney over her the lawmaker.
  • Katherine Feinstein, a former San Francisco judge, filed a lawsuit on her mother's behalf last month.
  • It is not clear the extent to which her daughter holds power of attorney. The New York Times reported it was for legal matters.

Democratic Sen. Dianne Feinstein's daughter, Katherine, a former San Francisco judge, has a power of attorney agreement that grants her at least some say over the senator's affairs.