Presidents and First Ladies Trivia

[Gene C]

I have a trivial question (and no answer) - what would a female president's "First Lady" be entitled?

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Please feel free to guess on a single part only, too:

1. Who is this gentleman (probably easy)?
2. Where was the photo taken?
3. Whom would you see standing at his right side in the entire picture (I cut away)?

Looks like Winston Churchhill
Malta ?
I'll guess FDR