Eleanor Grainger was the wife of Edward Grainger.
They met in London in 1941. (PROSE: Incongruous Details)
They later got married. When George Tremayne was possessed on 8 January 1948, Edward distracted him by talking about Eleanor, which allowed the Third Doctor time to destroy him. (PROSE: Ancient Whispers)
Eleanor bought a book for her husband's 49th birthday on 24 June 1955. (PROSE: Dear John)