In the far, distant past, at least one Ancient became an ancestor in Kusanagi's family line, passing down the Ancient Technology Activation gene to her. (SGA: "Letters from Pegasus") She possesses the Ancient Technology Activation gene. When the expedition sent a message back to Earth she recorded a personal message for an unknown person which would seem to indicate she had a crush on Dr. Rodney McKay. (SGA: "Letters from Pegasus")