Jennifer Sisko ( mirror ) Professor Jennifer Sisko was a female scientist of the 24th century Klingon - Cardassian Alliance and , later , the Terran Rebellion . Jennifer was married to , but they separated in 2366 . They did not have any children . ( ) Sisko and Benjamin married each other in the 2360s , but Sisko became increasingly frustrated about Benjamin ' s attitude . She viewed him as needing to impress other women , and too devoted to his ship and crew to make time for her . She finally wrote him off when he left her to serve Intendant . Sisko disapproved of the Terran revolt that started in 2370 , viewing them as killers with a misguided notion of attaining freedom . In particular , she felt that Benjamin , who became their leader , simply wanted to fight . She felt the rebellion only gave an excuse for the Alliance to use more force on the larger Terran population . She rather felt that the rebellion needed to be stopped for peace . She found herself working for Intendant Kira on in 2371 , when she was tasked with building a transpectral sensor array in order to find rebellion forces inside the Badlands . This made her a prime target for the rebellion . While the larger rebellion wanted to kill her , Benjamin wanted to convince her to join them . However , he was killed before he could try . Unbeknownst to her , a plot by brought another Benjamin Sisko from a parallel universe , and O ' Brien convinced him to follow through with the plan . Sisko came to see him after he was captured on the station . She still hated him , but he seemed different than before , and so she was convinced to switch sides and join the Rebellion . She went with him and escaped to the rebel base . There , she found out he was not really her husband . ( ) In 2372 , Jennifer abducted Jake Sisko from Deep Space 9 in order to lure Benjamin Sisko back to the mirror universe . Her attempt was successful and Ben helped the Terran Rebellion to build a vessel for Terok Nor . While Jake was in the mirror universe , he and Jennifer grew close and became almost like family despite protests by Benjamin Sisko . While attempting to bring Jake back to his universe , Jennifer was shot by , who had escaped Terran imprisonment . ( ) When Kira Nerys encountered the of the mirror universe in 2374 , Sisko told her it had been confusing meeting Professor Sisko because , despite knowing she wasn ' t his wife , he had almost come to believe she was . ( ) Appendices . Background information . Like her counterpart , Jennifer Sisko was portrayed by Felecia M . Bell . In the first draft script of " Through the Looking Glass " , this character was called " Jennifer Hall " , rather than having the surname " Sisko " . In a pitch letter that the DS9 writing staff sent to freelance writers prior to season four of the series , stories about the mirror universe version of Jennifer Sisko was a form of narrative which the staff writers listed as having no interest in receiving . An in - house plot featuring her turned up shortly thereafter . ( " " , pp . 191 - 192 ) The novella " Freedom Angst " in " Seven Deadly Sins " mentions that Jennifer ' s grandfather predicted the fall of the Terran Empire and began to work with the Alliance .