Crossword Genius

Family member lives in outskirts of St Louis (4)

Ross

I believe the answer is:

siss

I'm a little stuck... Click here to teach me more about this clue!

'lives in outskirts of st louis' is the definition.
The answer and definition can be both people as well as being plural nouns.
Maybe you can see an association between them that I can't see?

I can't explain the rest of the clue.

Can you help me to learn more?

I've seen this clue in The Sunday Times and The Times.
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