Leonard Cholewa
Leonard Cholewa voted up Yo Kass' answer

Wow...such a dilemma you all have created!  My mother and father were third cousins and I am perfectly normal, as is my sister. 

If your family has been in the U.S. Since the colonial days you are probably related to everyone you know.  You can't escape it!  Your relatives are all over the country.  Genealogy … Read more

Leonard Cholewa
Leonard Cholewa voted up Rooster Cogburn's answer

    Twenty-five states prohibit marriages between first cousins. Six states allow first cousin marriage under certain circumstances, and North Carolina allows first cousin marriage but prohibits double-cousin marriage. States generally recognize marriages of first cousins married in a state where such marriages are legal.

    State Laws Regarding Marriages Between First Cousins