More than 50% of Americans do not know their grandparents' full names -- this means knowing the first and last names of all your grandparents, according to an Ancestry.com poll.
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However, two-thirds of people surveyed overall said they'd like to know more about their family history.
Some interesting things you could learn from your grandparents are:
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Watch Terrell and Val called their mothers live on-air to ask them about their grandparents.