19th century uniform identification

I know this is not a great image - but this picture was found in a box of family belongings, in Kentucky, and I was wondering whether anyone can help identify what time period these uniforms might be from? Are they related to a particular war? Can you tell me anything about the stripes on the sleeve of one of them?

My google searches were unsuccessful - I found some similar images but they didn't have any accompanying information. Thanks for any help you can provide!

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