my son's father has recently passed away. he was not on my son's birth certificate as we thought we had more time to do this. my question is this: how would i go about changing this legally? i want to change my son's name legally as well as his birth certificate, my son's father had told me he was divorced and yet upon his death i found that he was still married. so how do i go about doing this. i reside in georgia. please help me.