Whats a FREE ancestery site?

I want to find out more about my family tree....as my fathers mother left and never told him much....he has since passed....I'm curious becaiuse I want to one day teach my newborn son about his family. I went to ancestery.com with no luck as they wanted my credit card number BEFORE I got any real info!!! is... show more I want to find out more about my family tree....as my fathers mother left and never told him much....he has since passed....I'm curious becaiuse I want to one day teach my newborn son about his family. I went to ancestery.com with no luck as they wanted my credit card number BEFORE I got any real info!!! is there any free place I can find out about my family history without paying?? I'm on a budget ....
Update: my MOTHER is italian...at least her family is from there....my father was american....thx for replies
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