Jacqueline Kennedy together with John F. Kennedy as seen in the timestream
Jacqueline Kennedy at Lyndon B. Johnson's Oath of Office
Jacqueline Kennedy was the wife of US President John F. Kennedy during the mid-20th century.
After Jonathan Archer restored a damaged timeline, Jacqueline Kennedy could be seen in the time stream as the timeline realigned itself. (ENT: "Storm Front, Part II")
Jacqueline was present when Lyndon B. Johnson took his Oath of Office in 1963, following the assassination of her husband. An image of this scene was seen in the USS Enterprise library computer. (TOS: "The Cage" remastered)