Home More advice Computers & Tech
http://funadvice.com/r/15l9nal38uh I'm pretty sure this one is free but it's a a little more difficult to get accurate results unless you know practically everything about your grandparents.
Uhm, the only grandparent I know is my grandmother and she was adopted. I have no clue who any of my other grandparents are :/
The best and most accurate one is the LDS (Latter Day Saints) library at
http://funadvice.com/r/bol6qkjs2kc