re: There is no way that I would sign a Birth Certificate without a DNA Test.

A good friend in Louisiana was separated from his wife and in the process of divorcing her. And she became pregnant and both knew it wasn't his, but he was forced to pay for it.

Read obituaries carefully! His said "is survived by his children (and it gave their full names) and by (child's full name and he had our friend's last name). That was a careful bit of truth.