By what documentation do you KNOW barry bassturd’s father was married to his mother when he was born? There is a divorce decree, but no marriage cert. A divorce decree comes at a popint in time much later than barry’s birth, so you can’t say for sure that barry had a father married to his mother when he was born.
Have you seen documentation of marriage for McCain’s parents, or Palin’s parents, or GWB’s parents? Or any other public figure you might care to name.
I haven’t. Such documentation has never even been suggested as necessary, AFAIK.