Could anything happen if...
I am wondering if I have a baby with my 3rd cousin, could there be any problems. I don't even know if he is even really related to me. He is my grandfathers brothers grandson. My mom says he is but I don't see how because my grandfather is her dad & his bro would be her uncle not mine. & then his daughter is my moms 1st cousin and her son is my moms 2nd cousin. So in turn hed be my 3rd cousin. I don't care what other have to say about what I choose to do with my life, my main question is if I have a baby with a 3rd cousin will there be any defects or problems. Etc.