Trivial Trivia - taking trivia to new levels

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I'm really stretching on this one, and I hope you are too -- My mother loved plants, so I know that the common name for aspidistra is the cast iron plant. Tying this to Raphael Semmes: He did wondrous things for the Confederate Navy, including manning the cast iron raiding ship Alabama. Semmes also had a home in Mobile, Alabama.

I do know that Bobby Charlton was a great soccer (football) star in England, but not sure how to tie him to this unless he was from some English town named Mobile?