My mom's older brother died at 6 years old due to an unexploded WWII bomb he found playing with some friends.

The biggest family tragedy, as you can imagine.

It was the 1949, my family wasn't rich, so he had three or four photos at most: the best one, that is on his grave and that my grandma wore with a gold chain, another one that's damaged and blurred, and a very good one that portrays his kindergarden class.

In this one, my mom (who passed away 10 years ago) draw a little arrow toward a boy, but when enhanced and restored he doesn't look like the kid in the grave/chain photo, not even a bit. There are instead 4-5 kids who resemble him, but we can't say for sure who is the right one.

So I was wondering if there are communities/services/easy software (I can't use Python) that are able to match a subject in a photo.

Any suggestion is very appreciated.

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Thank you in advance