A manipulative widow goes husband hunting in "Lady Susan", finally published in 1871, 54 years after which author's death?

Complete the old saying: "A man who is his own lawyer has..."? What do you call a man who has more than one current mother-in-law because he has two wives at once? A Manchegan is a man from which Spanish region, also home to a famous knight-errant? A Manhattan store that opened in 2003 sells only which dessert, made with the same short-grain type of its main ingredi… A traffic accident near Mannheim, Germany, in December 1945 led to the death of which controversial U.S. general? Which man's first name is also an adjective meaning abrupt or rudely brief? Complete the proverb: "A man's home is his..."? The initials CDG, those of a famous Frenchman, identify the main airport of which city?