Generate a realistic image of a middle-aged woman in 1930s Southern United States attire, representing Aunt Alexandra, also known as Frances Cunningham Finch Lee, the aunt of Scout and Jem Finch, and sister-in-law of Atticus Finch, in a formal setting that reflects her high social standards and strict demeanor, reminiscent of the era and setting of Harper Lee's novel "To Kill a Mockingbird".