If your family is from a place on the planet that means it has a heraldic shield, chances are it's actually pretty simple. I know mine is. If only I lived in the Land of Ooo, where my allegiance would get me seeing something like these framed at my Nanna's house.
If I decided to get the Land of the Dead one tattooed somewhere, I really can't think of a point in my life where I'd regret the decision.
They're the work of artist Mr Caputo, and if you feel like putting one up at your place, they're available as prints from his store.